10091854631 has 2 divisors, whose sum is σ = 10091854632. Its totient is φ = 10091854630.

The previous prime is 10091854621. The next prime is 10091854649. The reversal of 10091854631 is 13645819001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10091854631 - 2⁶ = 10091854567 is a prime.

It is a super-2 number, since 2×10091854631² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10091854621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5045927315 + 5045927316.

It is an arithmetic number, because the mean of its divisors is an integer number (5045927316).

Almost surely, 2^10091854631 is an apocalyptic number.

10091854631 is a deficient number, since it is larger than the sum of its proper divisors (1).

10091854631 is an equidigital number, since it uses as much as digits as its factorization.

10091854631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 10091854631 in words is "ten billion, ninety-one million, eight hundred fifty-four thousand, six hundred thirty-one".