6412656253 has 4 divisors (see below), whose sum is σ = 6423770620. Its totient is φ = 6401541888.

The previous prime is 6412656227. The next prime is 6412656287. The reversal of 6412656253 is 3526562146.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6387526084 + 25130169 = 79922^2 + 5013^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6412656253 is a prime.

It is a super-2 number, since 2×6412656253² = 82244320438280000018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6412651253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5556318 + ... + 5557471.

It is an arithmetic number, because the mean of its divisors is an integer number (1605942655).

Almost surely, 2^6412656253 is an apocalyptic number.

It is an amenable number.

6412656253 is a deficient number, since it is larger than the sum of its proper divisors (11114367).

6412656253 is a wasteful number, since it uses less digits than its factorization.

6412656253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11114366.

The product of its digits is 259200, while the sum is 40.

The square root of 6412656253 is about 80079.0625132437. The cubic root of 6412656253 is about 1857.8585843094.

The spelling of 6412656253 in words is "six billion, four hundred twelve million, six hundred fifty-six thousand, two hundred fifty-three".