3125289639 has 12 divisors (see below), whose sum is σ = 4426593704. Its totient is φ = 1960965504.

The previous prime is 3125289617. The next prime is 3125289641. The reversal of 3125289639 is 9369825213.

It is not a de Polignac number, because 3125289639 - 2¹³ = 3125281447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125289239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1801492 + ... + 1803225.

Almost surely, 2^3125289639 is an apocalyptic number.

3125289639 is a deficient number, since it is larger than the sum of its proper divisors (1301304065).

3125289639 is a wasteful number, since it uses less digits than its factorization.

3125289639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604754 (or 3604737 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The square root of 3125289639 is about 55904.2899874419. The cubic root of 3125289639 is about 1462.0540362216.

The spelling of 3125289639 in words is "three billion, one hundred twenty-five million, two hundred eighty-nine thousand, six hundred thirty-nine".