39428941695 has 128 divisors (see below), whose sum is σ = 77307568128. Its totient is φ = 16898457600.

The previous prime is 39428941663. The next prime is 39428941709. The reversal of 39428941695 is 59614982493.

It is not a de Polignac number, because 39428941695 - 2⁵ = 39428941663 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6446959 + ... + 6453071.

It is an arithmetic number, because the mean of its divisors is an integer number (603965376).

Almost surely, 2^39428941695 is an apocalyptic number.

39428941695 is a deficient number, since it is larger than the sum of its proper divisors (37878626433).

39428941695 is a wasteful number, since it uses less digits than its factorization.

39428941695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6273.

The product of its digits is 16796160, while the sum is 60.

The spelling of 39428941695 in words is "thirty-nine billion, four hundred twenty-eight million, nine hundred forty-one thousand, six hundred ninety-five".