3189442490 has 16 divisors (see below), whose sum is σ = 6182611848. Its totient is φ = 1177640256.

The previous prime is 3189442433. The next prime is 3189442507. The reversal of 3189442490 is 942449813.

It can be written as a sum of positive squares in 4 ways, for example, as 1841010649 + 1348431841 = 42907^2 + 36721^2 .

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, 12266957 + ... + 12267216.

Almost surely, 2^3189442490 is an apocalyptic number.

3189442490 is a deficient number, since it is larger than the sum of its proper divisors (2993169358).

3189442490 is a wasteful number, since it uses less digits than its factorization.

3189442490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24534193.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 3189442490 is about 56475.1493136583. The cubic root of 3189442490 is about 1471.9902223107.

The spelling of 3189442490 in words is "three billion, one hundred eighty-nine million, four hundred forty-two thousand, four hundred ninety".