10091074381 has 6 divisors (see below), whose sum is σ = 10265011982. Its totient is φ = 9920035800.

The previous prime is 10091074369. The next prime is 10091074397. The reversal of 10091074381 is 18347019001.

It can be written as a sum of positive squares in only one way, i.e., 9203332356 + 887742025 = 95934^2 + 29795^2 .

It is not a de Polignac number, because 10091074381 - 2²¹ = 10088977229 is a prime.

It is a super-2 number, since 2×10091074381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10091071381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1445970 + ... + 1452931.

Almost surely, 2^10091074381 is an apocalyptic number.

It is an amenable number.

10091074381 is a deficient number, since it is larger than the sum of its proper divisors (173937601).

10091074381 is an frugal number, since it uses more digits than its factorization.

10091074381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899019 (or 2898960 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The spelling of 10091074381 in words is "ten billion, ninety-one million, seventy-four thousand, three hundred eighty-one".