3945899532535 has 16 divisors (see below), whose sum is σ = 4990931112960. Its totient is φ = 2986594308000.

The previous prime is 3945899532529. The next prime is 3945899532551. The reversal of 3945899532535 is 5352359985493.

It is a de Polignac number, because none of the positive numbers 2^k-3945899532535 is a prime.

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, 27582307 + ... + 27724996.

It is an arithmetic number, because the mean of its divisors is an integer number (311933194560).

Almost surely, 2^{3945899532535} is an apocalyptic number.

3945899532535 is a deficient number, since it is larger than the sum of its proper divisors (1045031580425).

3945899532535 is a wasteful number, since it uses less digits than its factorization.

3945899532535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55308078.

The product of its digits is 787320000, while the sum is 70.

The spelling of 3945899532535 in words is "three trillion, nine hundred forty-five billion, eight hundred ninety-nine million, five hundred thirty-two thousand, five hundred thirty-five".