9420057836731 has 2 divisors, whose sum is σ = 9420057836732. Its totient is φ = 9420057836730.

The previous prime is 9420057836729. The next prime is 9420057836743. The reversal of 9420057836731 is 1376387500249.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9420057836731 - 2¹ = 9420057836729 is a prime.

It is a super-2 number, since 2×9420057836731² (a number of 27 digits) contains 22 as substring.

Together with 9420057836729, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9420057836771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4710028918365 + 4710028918366.

It is an arithmetic number, because the mean of its divisors is an integer number (4710028918366).

It is a 1-persistent number, because it is pandigital, but 2⋅9420057836731 = 18840115673462 is not.

Almost surely, 2^{9420057836731} is an apocalyptic number.

9420057836731 is a deficient number, since it is larger than the sum of its proper divisors (1).

9420057836731 is an equidigital number, since it uses as much as digits as its factorization.

9420057836731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 9420057836731 in words is "nine trillion, four hundred twenty billion, fifty-seven million, eight hundred thirty-six thousand, seven hundred thirty-one".