3645432723392 has 14 divisors (see below), whose sum is σ = 7233905560608. Its totient is φ = 1822716361664.

The previous prime is 3645432723379. The next prime is 3645432723419. The reversal of 3645432723392 is 2933272345463.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28479943088 + ... + 28479943215.

Almost surely, 2^{3645432723392} is an apocalyptic number.

3645432723392 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3645432723392 is a deficient number, since it is larger than the sum of its proper divisors (3588472837216).

3645432723392 is an equidigital number, since it uses as much as digits as its factorization.

3645432723392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56959886315 (or 56959886305 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 53.

The spelling of 3645432723392 in words is "three trillion, six hundred forty-five billion, four hundred thirty-two million, seven hundred twenty-three thousand, three hundred ninety-two".