34387889315 has 12 divisors (see below), whose sum is σ = 44683909344. Its totient is φ = 25394133024.

The previous prime is 34387889311. The next prime is 34387889339. The reversal of 34387889315 is 51398878343.

It is a happy number.

It is not a de Polignac number, because 34387889315 - 2² = 34387889311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34387889311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20347019 + ... + 20348708.

It is an arithmetic number, because the mean of its divisors is an integer number (3723659112).

Almost surely, 2^34387889315 is an apocalyptic number.

34387889315 is a deficient number, since it is larger than the sum of its proper divisors (10296020029).

34387889315 is a wasteful number, since it uses less digits than its factorization.

34387889315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40695758 (or 40695745 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 59.

The spelling of 34387889315 in words is "thirty-four billion, three hundred eighty-seven million, eight hundred eighty-nine thousand, three hundred fifteen".