16238952971 has 2 divisors, whose sum is σ = 16238952972. Its totient is φ = 16238952970.

The previous prime is 16238952931. The next prime is 16238952973. The reversal of 16238952971 is 17925983261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16238952971 - 2⁶ = 16238952907 is a prime.

Together with 16238952973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16238952973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8119476485 + 8119476486.

It is an arithmetic number, because the mean of its divisors is an integer number (8119476486).

Almost surely, 2^16238952971 is an apocalyptic number.

16238952971 is a deficient number, since it is larger than the sum of its proper divisors (1).

16238952971 is an equidigital number, since it uses as much as digits as its factorization.

16238952971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 53.

The spelling of 16238952971 in words is "sixteen billion, two hundred thirty-eight million, nine hundred fifty-two thousand, nine hundred seventy-one".