39472775435 has 4 divisors (see below), whose sum is σ = 47367330528. Its totient is φ = 31578220344.

The previous prime is 39472775389. The next prime is 39472775437. The reversal of 39472775435 is 53457727493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53457727493 = 26161 ⋅2043413.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39472775435 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39472775437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3947277539 + ... + 3947277548.

It is an arithmetic number, because the mean of its divisors is an integer number (11841832632).

Almost surely, 2^39472775435 is an apocalyptic number.

39472775435 is a deficient number, since it is larger than the sum of its proper divisors (7894555093).

39472775435 is an equidigital number, since it uses as much as digits as its factorization.

39472775435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7894555092.

The product of its digits is 22226400, while the sum is 56.

The spelling of 39472775435 in words is "thirty-nine billion, four hundred seventy-two million, seven hundred seventy-five thousand, four hundred thirty-five".