34021142872 has 8 divisors (see below), whose sum is σ = 63789642900. Its totient is φ = 17010571432.

The previous prime is 34021142819. The next prime is 34021142887. The reversal of 34021142872 is 27824112043.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2126321422 + ... + 2126321437.

Almost surely, 2^34021142872 is an apocalyptic number.

It is an amenable number.

34021142872 is a deficient number, since it is larger than the sum of its proper divisors (29768500028).

34021142872 is a wasteful number, since it uses less digits than its factorization.

34021142872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252642865 (or 4252642861 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 34021142872 in words is "thirty-four billion, twenty-one million, one hundred forty-two thousand, eight hundred seventy-two".