3949685130 has 16 divisors (see below), whose sum is σ = 9479244384. Its totient is φ = 1053249360.

The previous prime is 3949685119. The next prime is 3949685137. The reversal of 3949685130 is 315869493.

It is a super-2 number, since 2×3949685130² = 31200025252286233800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3949685130.

It is not an unprimeable number, because it can be changed into a prime (3949685137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65828056 + ... + 65828115.

It is an arithmetic number, because the mean of its divisors is an integer number (592452774).

Almost surely, 2^3949685130 is an apocalyptic number.

3949685130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3949685130 is an abundant number, since it is smaller than the sum of its proper divisors (5529559254).

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

3949685130 is a wasteful number, since it uses less digits than its factorization.

3949685130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131656181.

The product of its (nonzero) digits is 699840, while the sum is 48.

The square root of 3949685130 is about 62846.5204287397. The cubic root of 3949685130 is about 1580.7171249266.

The spelling of 3949685130 in words is "three billion, nine hundred forty-nine million, six hundred eighty-five thousand, one hundred thirty".