3512872645 has 16 divisors (see below), whose sum is σ = 4305679488. Its totient is φ = 2750679360.

The previous prime is 3512872619. The next prime is 3512872667. The reversal of 3512872645 is 5462782153.

It is a de Polignac number, because none of the positive numbers 2^k-3512872645 is a prime.

It is a Duffinian 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, 19200 + ... + 85990.

It is an arithmetic number, because the mean of its divisors is an integer number (269104968).

Almost surely, 2^3512872645 is an apocalyptic number.

It is an amenable number.

3512872645 is a deficient number, since it is larger than the sum of its proper divisors (792806843).

3512872645 is a wasteful number, since it uses less digits than its factorization.

3512872645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67020.

The product of its digits is 403200, while the sum is 43.

The square root of 3512872645 is about 59269.4916883889. The cubic root of 3512872645 is about 1520.1535863100.

The spelling of 3512872645 in words is "three billion, five hundred twelve million, eight hundred seventy-two thousand, six hundred forty-five".