1494517913 has 4 divisors (see below), whose sum is σ = 1708020480. Its totient is φ = 1281015348.

The previous prime is 1494517883. The next prime is 1494517939. The reversal of 1494517913 is 3197154941.

It is a happy number.

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 1494517913 - 2¹⁰ = 1494516889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1494507913) 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, 106751273 + ... + 106751286.

It is an arithmetic number, because the mean of its divisors is an integer number (427005120).

Almost surely, 2^1494517913 is an apocalyptic number.

It is an amenable number.

1494517913 is a deficient number, since it is larger than the sum of its proper divisors (213502567).

1494517913 is an equidigital number, since it uses as much as digits as its factorization.

1494517913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213502566.

The product of its digits is 136080, while the sum is 44.

The square root of 1494517913 is about 38658.9952404353. The cubic root of 1494517913 is about 1143.3180017513.

The spelling of 1494517913 in words is "one billion, four hundred ninety-four million, five hundred seventeen thousand, nine hundred thirteen".