3918513630 has 32 divisors (see below), whose sum is σ = 9446621184. Its totient is φ = 1040249376.

The previous prime is 3918513629. The next prime is 3918513631. The reversal of 3918513630 is 363158193.

It is an interprime number because it is at equal distance from previous prime (3918513629) and next prime (3918513631).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3918513631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286174 + ... + 299553.

It is an arithmetic number, because the mean of its divisors is an integer number (295206912).

Almost surely, 2^3918513630 is an apocalyptic number.

3918513630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3918513630 is an abundant number, since it is smaller than the sum of its proper divisors (5528107554).

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

3918513630 is a wasteful number, since it uses less digits than its factorization.

3918513630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585960.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 3918513630 is about 62598.0321575687. The cubic root of 3918513630 is about 1576.5477192056.

The spelling of 3918513630 in words is "three billion, nine hundred eighteen million, five hundred thirteen thousand, six hundred thirty".