3199965049 has 4 divisors (see below), whose sum is σ = 3303189760. Its totient is φ = 3096740340.

The previous prime is 3199964939. The next prime is 3199965071. The reversal of 3199965049 is 9405699913.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9405699913 = 307 ⋅30637459.

It is a cyclic number.

It is not a de Polignac number, because 3199965049 - 2¹⁷ = 3199833977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3199965449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51612309 + ... + 51612370.

It is an arithmetic number, because the mean of its divisors is an integer number (825797440).

Almost surely, 2^3199965049 is an apocalyptic number.

It is an amenable number.

3199965049 is a deficient number, since it is larger than the sum of its proper divisors (103224711).

3199965049 is a wasteful number, since it uses less digits than its factorization.

3199965049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103224710.

The product of its (nonzero) digits is 2361960, while the sum is 55.

The square root of 3199965049 is about 56568.2335679664. The cubic root of 3199965049 is about 1473.6072344123.

The spelling of 3199965049 in words is "three billion, one hundred ninety-nine million, nine hundred sixty-five thousand, forty-nine".