3249689690 has 32 divisors (see below), whose sum is σ = 6302136960. Its totient is φ = 1199363904.

The previous prime is 3249689683. The next prime is 3249689741. The reversal of 3249689690 is 969869423.

It is a super-2 number, since 2×3249689690² = 21120966162584592200, 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, 426131 + ... + 433689.

It is an arithmetic number, because the mean of its divisors is an integer number (196941780).

Almost surely, 2^3249689690 is an apocalyptic number.

3249689690 is a deficient number, since it is larger than the sum of its proper divisors (3052447270).

3249689690 is a wasteful number, since it uses less digits than its factorization.

3249689690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10886.

The product of its (nonzero) digits is 5038848, while the sum is 56.

The square root of 3249689690 is about 57006.0495912495. The cubic root of 3249689690 is about 1481.2008895158.

The spelling of 3249689690 in words is "three billion, two hundred forty-nine million, six hundred eighty-nine thousand, six hundred ninety".