3925709484870 has 16 divisors (see below), whose sum is σ = 9421702763760. Its totient is φ = 1046855862624.

The previous prime is 3925709484803. The next prime is 3925709484943. The reversal of 3925709484870 is 784849075293.

It is a super-4 number, since 4×3925709484870⁴ (a number of 51 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65428491385 + ... + 65428491444.

It is an arithmetic number, because the mean of its divisors is an integer number (588856422735).

Almost surely, 2^{3925709484870} is an apocalyptic number.

3925709484870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3925709484870 is an abundant number, since it is smaller than the sum of its proper divisors (5495993278890).

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

3925709484870 is a wasteful number, since it uses less digits than its factorization.

3925709484870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130856982839.

The product of its (nonzero) digits is 121927680, while the sum is 66.

The spelling of 3925709484870 in words is "three trillion, nine hundred twenty-five billion, seven hundred nine million, four hundred eighty-four thousand, eight hundred seventy".