16293930457331 has 2 divisors, whose sum is σ = 16293930457332. Its totient is φ = 16293930457330.

The previous prime is 16293930457297. The next prime is 16293930457403. The reversal of 16293930457331 is 13375403939261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16293930457331 - 2³⁰ = 16292856715507 is a prime.

It is a super-2 number, since 2×16293930457331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16293930457531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8146965228665 + 8146965228666.

It is an arithmetic number, because the mean of its divisors is an integer number (8146965228666).

Almost surely, 2^{16293930457331} is an apocalyptic number.

16293930457331 is a deficient number, since it is larger than the sum of its proper divisors (1).

16293930457331 is an equidigital number, since it uses as much as digits as its factorization.

16293930457331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11022480, while the sum is 56.

The spelling of 16293930457331 in words is "sixteen trillion, two hundred ninety-three billion, nine hundred thirty million, four hundred fifty-seven thousand, three hundred thirty-one".