34311993949 has 2 divisors, whose sum is σ = 34311993950. Its totient is φ = 34311993948.

The previous prime is 34311993913. The next prime is 34311993953. The reversal of 34311993949 is 94939911343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24517922724 + 9794071225 = 156582^2 + 98965^2 .

It is a cyclic number.

It is not a de Polignac number, because 34311993949 - 2¹⁷ = 34311862877 is a prime.

It is a super-2 number, since 2×34311993949² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34311993949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34311993959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17155996974 + 17155996975.

It is an arithmetic number, because the mean of its divisors is an integer number (17155996975).

Almost surely, 2^34311993949 is an apocalyptic number.

It is an amenable number.

34311993949 is a deficient number, since it is larger than the sum of its proper divisors (1).

34311993949 is an equidigital number, since it uses as much as digits as its factorization.

34311993949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2834352, while the sum is 55.

The spelling of 34311993949 in words is "thirty-four billion, three hundred eleven million, nine hundred ninety-three thousand, nine hundred forty-nine".