34018389728 has 24 divisors (see below), whose sum is σ = 67163454288. Its totient is φ = 16961004544.

The previous prime is 34018389719. The next prime is 34018389737. The reversal of 34018389728 is 82798381043.

It is an interprime number because it is at equal distance from previous prime (34018389719) and next prime (34018389737).

It is a self number, because there is not a number n which added to its sum of digits gives 34018389728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1494476 + ... + 1517067.

It is an arithmetic number, because the mean of its divisors is an integer number (2798477262).

Almost surely, 2^34018389728 is an apocalyptic number.

It is an amenable number.

34018389728 is a deficient number, since it is larger than the sum of its proper divisors (33145064560).

34018389728 is a wasteful number, since it uses less digits than its factorization.

34018389728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011906 (or 3011898 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 34018389728 in words is "thirty-four billion, eighteen million, three hundred eighty-nine thousand, seven hundred twenty-eight".