10091854731 has 64 divisors (see below), whose sum is σ = 17051648000. Its totient is φ = 5286708000.

The previous prime is 10091854727. The next prime is 10091854757. The reversal of 10091854731 is 13745819001.

It is not a de Polignac number, because 10091854731 - 2² = 10091854727 is a prime.

It is a super-2 number, since 2×10091854731² (a number of 21 digits) 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 10091854731.

It is not an unprimeable number, because it can be changed into a prime (10091854631) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 597756 + ... + 614406.

It is an arithmetic number, because the mean of its divisors is an integer number (266432000).

Almost surely, 2^10091854731 is an apocalyptic number.

10091854731 is a deficient number, since it is larger than the sum of its proper divisors (6959793269).

10091854731 is a wasteful number, since it uses less digits than its factorization.

10091854731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16725 (or 16711 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 10091854731 in words is "ten billion, ninety-one million, eight hundred fifty-four thousand, seven hundred thirty-one".