3951534630 has 16 divisors (see below), whose sum is σ = 9483683184. Its totient is φ = 1053742560.

The previous prime is 3951534611. The next prime is 3951534637. The reversal of 3951534630 is 364351593.

3951534630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3951534630² = 31229251864178473800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3951534637) 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, 65858881 + ... + 65858940.

It is an arithmetic number, because the mean of its divisors is an integer number (592730199).

Almost surely, 2^3951534630 is an apocalyptic number.

3951534630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3951534630 is an abundant number, since it is smaller than the sum of its proper divisors (5532148554).

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

3951534630 is a wasteful number, since it uses less digits than its factorization.

3951534630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131717831.

The product of its (nonzero) digits is 145800, while the sum is 39.

The square root of 3951534630 is about 62861.2331250350. The cubic root of 3951534630 is about 1580.9638180186.

The spelling of 3951534630 in words is "three billion, nine hundred fifty-one million, five hundred thirty-four thousand, six hundred thirty".