39976941253 has 2 divisors, whose sum is σ = 39976941254. Its totient is φ = 39976941252.

The previous prime is 39976941247. The next prime is 39976941331. The reversal of 39976941253 is 35214967993.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26254693089 + 13722248164 = 162033^2 + 117142^2 .

It is an emirp because it is prime and its reverse (35214967993) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39976941253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39976941353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19988470626 + 19988470627.

It is an arithmetic number, because the mean of its divisors is an integer number (19988470627).

Almost surely, 2^39976941253 is an apocalyptic number.

It is an amenable number.

39976941253 is a deficient number, since it is larger than the sum of its proper divisors (1).

39976941253 is an equidigital number, since it uses as much as digits as its factorization.

39976941253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11022480, while the sum is 58.

The spelling of 39976941253 in words is "thirty-nine billion, nine hundred seventy-six million, nine hundred forty-one thousand, two hundred fifty-three".