3448639690 has 32 divisors (see below), whose sum is σ = 6512088960. Its totient is φ = 1313121600.

The previous prime is 3448639687. The next prime is 3448639763. The reversal of 3448639690 is 969368443.

It is a super-2 number, since 2×3448639690² = 23786231422886592200, which contains 22 as substring.

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, 63156 + ... + 104335.

It is an arithmetic number, because the mean of its divisors is an integer number (203502780).

Almost surely, 2^3448639690 is an apocalyptic number.

3448639690 is a deficient number, since it is larger than the sum of its proper divisors (3063449270).

3448639690 is a wasteful number, since it uses less digits than its factorization.

3448639690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167598.

The product of its (nonzero) digits is 3359232, while the sum is 52.

The square root of 3448639690 is about 58725.1197529643. The cubic root of 3448639690 is about 1510.8311857354.

The spelling of 3448639690 in words is "three billion, four hundred forty-eight million, six hundred thirty-nine thousand, six hundred ninety".