34398749953 has 2 divisors, whose sum is σ = 34398749954. Its totient is φ = 34398749952.

The previous prime is 34398749933. The next prime is 34398749971. The reversal of 34398749953 is 35994789343.

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., 17325930384 + 17072819569 = 131628^2 + 130663^2 .

It is a cyclic number.

It is not a de Polignac number, because 34398749953 - 2⁵ = 34398749921 is a prime.

It is not a weakly prime, because it can be changed into another prime (34398749933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17199374976 + 17199374977.

It is an arithmetic number, because the mean of its divisors is an integer number (17199374977).

Almost surely, 2^34398749953 is an apocalyptic number.

It is an amenable number.

34398749953 is a deficient number, since it is larger than the sum of its proper divisors (1).

34398749953 is an equidigital number, since it uses as much as digits as its factorization.

34398749953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88179840, while the sum is 64.

The spelling of 34398749953 in words is "thirty-four billion, three hundred ninety-eight million, seven hundred forty-nine thousand, nine hundred fifty-three".