402162374417 has 2 divisors, whose sum is σ = 402162374418. Its totient is φ = 402162374416.

The previous prime is 402162374399. The next prime is 402162374443. The reversal of 402162374417 is 714473261204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257780613841 + 144381760576 = 507721^2 + 379976^2 .

It is a cyclic number.

It is not a de Polignac number, because 402162374417 - 2¹² = 402162370321 is a prime.

It is not a weakly prime, because it can be changed into another prime (402162379417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201081187208 + 201081187209.

It is an arithmetic number, because the mean of its divisors is an integer number (201081187209).

Almost surely, 2^402162374417 is an apocalyptic number.

It is an amenable number.

402162374417 is a deficient number, since it is larger than the sum of its proper divisors (1).

402162374417 is an equidigital number, since it uses as much as digits as its factorization.

402162374417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 402162374417 in words is "four hundred two billion, one hundred sixty-two million, three hundred seventy-four thousand, four hundred seventeen".