34478415313 has 4 divisors (see below), whose sum is σ = 34479468340. Its totient is φ = 34477362288.

The previous prime is 34478415269. The next prime is 34478415371. The reversal of 34478415313 is 31351487443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31351487443 = 587 ⋅53409689.

It can be written as a sum of positive squares in 2 ways, for example, as 18167804944 + 16310610369 = 134788^2 + 127713^2 .

It is a cyclic number.

It is not a de Polignac number, because 34478415313 - 2²¹ = 34476318161 is a prime.

It is a super-2 number, since 2×34478415313² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34478415313.

It is not an unprimeable number, because it can be changed into a prime (34478415373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475770 + ... + 543427.

It is an arithmetic number, because the mean of its divisors is an integer number (8619867085).

Almost surely, 2^34478415313 is an apocalyptic number.

It is an amenable number.

34478415313 is a deficient number, since it is larger than the sum of its proper divisors (1053027).

34478415313 is a wasteful number, since it uses less digits than its factorization.

34478415313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053026.

The product of its digits is 483840, while the sum is 43.

The spelling of 34478415313 in words is "thirty-four billion, four hundred seventy-eight million, four hundred fifteen thousand, three hundred thirteen".