75612949253 has 2 divisors, whose sum is σ = 75612949254. Its totient is φ = 75612949252.

The previous prime is 75612949147. The next prime is 75612949319. The reversal of 75612949253 is 35294921657.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68033853889 + 7579095364 = 260833^2 + 87058^2 .

It is an emirp because it is prime and its reverse (35294921657) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75612949253 - 2³² = 71317981957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75612949195 and 75612949204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75612943253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37806474626 + 37806474627.

It is an arithmetic number, because the mean of its divisors is an integer number (37806474627).

Almost surely, 2^75612949253 is an apocalyptic number.

It is an amenable number.

75612949253 is a deficient number, since it is larger than the sum of its proper divisors (1).

75612949253 is an equidigital number, since it uses as much as digits as its factorization.

75612949253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4082400, while the sum is 53.

The spelling of 75612949253 in words is "seventy-five billion, six hundred twelve million, nine hundred forty-nine thousand, two hundred fifty-three".