1493337061 has 4 divisors (see below), whose sum is σ = 1501587724. Its totient is φ = 1485086400.

The previous prime is 1493337029. The next prime is 1493337089. The reversal of 1493337061 is 1607333941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1607333941 = 97 ⋅16570453.

It can be written as a sum of positive squares in 2 ways, for example, as 514836100 + 978500961 = 22690^2 + 31281^2 .

It is a cyclic number.

It is not a de Polignac number, because 1493337061 - 2⁵ = 1493337029 is a prime.

It is a super-2 number, since 2×1493337061² = 4460111155512235442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1493337061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493337011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4125060 + ... + 4125421.

It is an arithmetic number, because the mean of its divisors is an integer number (375396931).

Almost surely, 2^1493337061 is an apocalyptic number.

It is an amenable number.

1493337061 is a deficient number, since it is larger than the sum of its proper divisors (8250663).

1493337061 is an equidigital number, since it uses as much as digits as its factorization.

1493337061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8250662.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 1493337061 is about 38643.7195544114. The cubic root of 1493337061 is about 1143.0168020418.

The spelling of 1493337061 in words is "one billion, four hundred ninety-three million, three hundred thirty-seven thousand, sixty-one".