3851872220034 has 24 divisors (see below), whose sum is σ = 8398880621820. Its totient is φ = 1275779333088.

The previous prime is 3851872219963. The next prime is 3851872220069. The reversal of 3851872220034 is 4300222781583.

3851872220034 is a `hidden beast` number, since 38 + 518 + 72 + 2 + 2 + 0 + 0 + 34 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3848090339025 + 3781881009 = 1961655^2 + 61497^2 .

It is a super-2 number, since 2×3851872220034² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 681503229 + ... + 681508880.

Almost surely, 2^{3851872220034} is an apocalyptic number.

3851872220034 is an abundant number, since it is smaller than the sum of its proper divisors (4547008401786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3851872220034 is a wasteful number, since it uses less digits than its factorization.

3851872220034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363012274 (or 1363012271 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 3851872220034 in words is "three trillion, eight hundred fifty-one billion, eight hundred seventy-two million, two hundred twenty thousand, thirty-four".