1061676493 has 4 divisors (see below), whose sum is σ = 1086366688. Its totient is φ = 1036986300.

The previous prime is 1061676491. The next prime is 1061676521. The reversal of 1061676493 is 3946761601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1061676493 - 2¹ = 1061676491 is a prime.

It is a super-2 number, since 2×1061676493² = 2254313951577558098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 24690151 = 1061676493 / (1 + 0 + 6 + 1 + 6 + 7 + 6 + 4 + 9 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061676491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12345033 + ... + 12345118.

It is an arithmetic number, because the mean of its divisors is an integer number (271591672).

Almost surely, 2^1061676493 is an apocalyptic number.

It is an amenable number.

1061676493 is a deficient number, since it is larger than the sum of its proper divisors (24690195).

1061676493 is an equidigital number, since it uses as much as digits as its factorization.

1061676493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24690194.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 1061676493 is about 32583.3775566622. The cubic root of 1061676493 is about 1020.1500781990.

The spelling of 1061676493 in words is "one billion, sixty-one million, six hundred seventy-six thousand, four hundred ninety-three".