4649372390 has 64 divisors (see below), whose sum is σ = 9581423040. Its totient is φ = 1610150400.

The previous prime is 4649372389. The next prime is 4649372461. The reversal of 4649372390 is 932739464.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240152 + ... + 258788.

It is an arithmetic number, because the mean of its divisors is an integer number (149709735).

Almost surely, 2^4649372390 is an apocalyptic number.

4649372390 is an abundant number, since it is smaller than the sum of its proper divisors (4932050650).

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

4649372390 is a wasteful number, since it uses less digits than its factorization.

4649372390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18777.

The product of its (nonzero) digits is 979776, while the sum is 47.

The square root of 4649372390 is about 68186.3064698477. The cubic root of 4649372390 is about 1669.0324381972.

The spelling of 4649372390 in words is "four billion, six hundred forty-nine million, three hundred seventy-two thousand, three hundred ninety".