402284135801 has 2 divisors, whose sum is σ = 402284135802. Its totient is φ = 402284135800.

The previous prime is 402284135651. The next prime is 402284135861. The reversal of 402284135801 is 108531482204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396617810176 + 5666325625 = 629776^2 + 75275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402284135801 is a prime.

It is not a weakly prime, because it can be changed into another prime (402284135861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201142067900 + 201142067901.

It is an arithmetic number, because the mean of its divisors is an integer number (201142067901).

Almost surely, 2^402284135801 is an apocalyptic number.

It is an amenable number.

402284135801 is a deficient number, since it is larger than the sum of its proper divisors (1).

402284135801 is an equidigital number, since it uses as much as digits as its factorization.

402284135801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 402284135801 in words is "four hundred two billion, two hundred eighty-four million, one hundred thirty-five thousand, eight hundred one".