3649630390 has 32 divisors (see below), whose sum is σ = 7902961920. Its totient is φ = 1185443424.

The previous prime is 3649630379. The next prime is 3649630459. The reversal of 3649630390 is 930369463.

3649630390 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 2×3649630390² = 26639603967223104200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1370712 + ... + 1373371.

It is an arithmetic number, because the mean of its divisors is an integer number (246967560).

Almost surely, 2^3649630390 is an apocalyptic number.

3649630390 is an abundant number, since it is smaller than the sum of its proper divisors (4253331530).

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

3649630390 is a wasteful number, since it uses less digits than its factorization.

3649630390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744116.

The product of its (nonzero) digits is 314928, while the sum is 43.

The square root of 3649630390 is about 60412.1708764054. The cubic root of 3649630390 is about 1539.6297516056.

The spelling of 3649630390 in words is "three billion, six hundred forty-nine million, six hundred thirty thousand, three hundred ninety".