2164311027451 has 2 divisors, whose sum is σ = 2164311027452. Its totient is φ = 2164311027450.

The previous prime is 2164311027379. The next prime is 2164311027469. The reversal of 2164311027451 is 1547201134612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2164311027451 - 2¹⁷ = 2164310896379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2164311027451.

It is not a weakly prime, because it can be changed into another prime (2164311027251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082155513725 + 1082155513726.

It is an arithmetic number, because the mean of its divisors is an integer number (1082155513726).

Almost surely, 2^{2164311027451} is an apocalyptic number.

2164311027451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164311027451 is an equidigital number, since it uses as much as digits as its factorization.

2164311027451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 2164311027451 in words is "two trillion, one hundred sixty-four billion, three hundred eleven million, twenty-seven thousand, four hundred fifty-one".