76253651209 has 2 divisors, whose sum is σ = 76253651210. Its totient is φ = 76253651208.

The previous prime is 76253651153. The next prime is 76253651237. The reversal of 76253651209 is 90215635267.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61918857225 + 14334793984 = 248835^2 + 119728^2 .

It is a cyclic number.

It is not a de Polignac number, because 76253651209 - 2¹³ = 76253643017 is a prime.

It is not a weakly prime, because it can be changed into another prime (76253651239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38126825604 + 38126825605.

It is an arithmetic number, because the mean of its divisors is an integer number (38126825605).

Almost surely, 2^76253651209 is an apocalyptic number.

It is an amenable number.

76253651209 is a deficient number, since it is larger than the sum of its proper divisors (1).

76253651209 is an equidigital number, since it uses as much as digits as its factorization.

76253651209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 76253651209 in words is "seventy-six billion, two hundred fifty-three million, six hundred fifty-one thousand, two hundred nine".