3648881370 has 16 divisors (see below), whose sum is σ = 8757315360. Its totient is φ = 973035024.

The previous prime is 3648881359. The next prime is 3648881393. The reversal of 3648881370 is 731888463.

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, 60814660 + ... + 60814719.

It is an arithmetic number, because the mean of its divisors is an integer number (547332210).

Almost surely, 2^3648881370 is an apocalyptic number.

3648881370 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3648881370 is an abundant number, since it is smaller than the sum of its proper divisors (5108433990).

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

3648881370 is a wasteful number, since it uses less digits than its factorization.

3648881370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121629389.

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 3648881370 is about 60405.9713107901. The cubic root of 3648881370 is about 1539.5244174343.

The spelling of 3648881370 in words is "three billion, six hundred forty-eight million, eight hundred eighty-one thousand, three hundred seventy".