10891742392 has 32 divisors (see below), whose sum is σ = 21209677200. Its totient is φ = 5239137024.

The previous prime is 10891742363. The next prime is 10891742441. The reversal of 10891742392 is 29324719801.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180378 + ... + 233065.

Almost surely, 2^10891742392 is an apocalyptic number.

It is an amenable number.

10891742392 is a deficient number, since it is larger than the sum of its proper divisors (10317934808).

10891742392 is a wasteful number, since it uses less digits than its factorization.

10891742392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413575 (or 413571 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 10891742392 in words is "ten billion, eight hundred ninety-one million, seven hundred forty-two thousand, three hundred ninety-two".