45668990431 has 2 divisors, whose sum is σ = 45668990432. Its totient is φ = 45668990430.

The previous prime is 45668990429. The next prime is 45668990453. The reversal of 45668990431 is 13409986654.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45668990431 - 2¹ = 45668990429 is a prime.

It is a super-2 number, since 2×45668990431² (a number of 22 digits) contains 22 as substring.

Together with 45668990429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45668940431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22834495215 + 22834495216.

It is an arithmetic number, because the mean of its divisors is an integer number (22834495216).

Almost surely, 2^45668990431 is an apocalyptic number.

45668990431 is a deficient number, since it is larger than the sum of its proper divisors (1).

45668990431 is an equidigital number, since it uses as much as digits as its factorization.

45668990431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 45668990431 in words is "forty-five billion, six hundred sixty-eight million, nine hundred ninety thousand, four hundred thirty-one".