3925134870 has 32 divisors (see below), whose sum is σ = 9426094848. Its totient is φ = 1046061408.

The previous prime is 3925134859. The next prime is 3925134881. The reversal of 3925134870 is 784315293.

It is an interprime number because it is at equal distance from previous prime (3925134859) and next prime (3925134881).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10767 + ... + 89253.

It is an arithmetic number, because the mean of its divisors is an integer number (294565464).

Almost surely, 2^3925134870 is an apocalyptic number.

3925134870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3925134870 is an abundant number, since it is smaller than the sum of its proper divisors (5500959978).

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

3925134870 is a wasteful number, since it uses less digits than its factorization.

3925134870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80164.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 3925134870 is about 62650.8968012430. The cubic root of 3925134870 is about 1577.4352008531.

The spelling of 3925134870 in words is "three billion, nine hundred twenty-five million, one hundred thirty-four thousand, eight hundred seventy".