3612989694 has 32 divisors (see below), whose sum is σ = 7302556800. Its totient is φ = 1191621600.

The previous prime is 3612989663. The next prime is 3612989711. The reversal of 3612989694 is 4969892163.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

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, 267729 + ... + 280899.

It is an arithmetic number, because the mean of its divisors is an integer number (228204900).

Almost surely, 2^3612989694 is an apocalyptic number.

3612989694 is an abundant number, since it is smaller than the sum of its proper divisors (3689567106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3612989694 is a wasteful number, since it uses less digits than its factorization.

3612989694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13656.

The product of its digits is 5038848, while the sum is 57.

The square root of 3612989694 is about 60108.1499798488. The cubic root of 3612989694 is about 1534.4600086130.

The spelling of 3612989694 in words is "three billion, six hundred twelve million, nine hundred eighty-nine thousand, six hundred ninety-four".