6402054185253 has 6 divisors (see below), whose sum is σ = 9247411600934. Its totient is φ = 4268036123496.

The previous prime is 6402054185249. The next prime is 6402054185299. The reversal of 6402054185253 is 3525814502046.

6402054185253 is a `hidden beast` number, since 6 + 4 + 0 + 2 + 0 + 541 + 8 + 52 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5874307147809 + 527747037444 = 2423697^2 + 726462^2 .

It is not a de Polignac number, because 6402054185253 - 2² = 6402054185249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6402054185199 and 6402054185208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6402054185953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355669676950 + ... + 355669676967.

Almost surely, 2^{6402054185253} is an apocalyptic number.

It is an amenable number.

6402054185253 is a deficient number, since it is larger than the sum of its proper divisors (2845357415681).

6402054185253 is a wasteful number, since it uses less digits than its factorization.

6402054185253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711339353923 (or 711339353920 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

Adding to 6402054185253 its reverse (3525814502046), we get a palindrome (9927868687299).

The spelling of 6402054185253 in words is "six trillion, four hundred two billion, fifty-four million, one hundred eighty-five thousand, two hundred fifty-three".