39490275373 has 4 divisors (see below), whose sum is σ = 39492107260. Its totient is φ = 39488443488.

The previous prime is 39490275361. The next prime is 39490275397. The reversal of 39490275373 is 37357209493.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33093794889 + 6396480484 = 181917^2 + 79978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39490275373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39490275373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39490275313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883218 + ... + 926851.

It is an arithmetic number, because the mean of its divisors is an integer number (9873026815).

Almost surely, 2^39490275373 is an apocalyptic number.

It is an amenable number.

39490275373 is a deficient number, since it is larger than the sum of its proper divisors (1831887).

39490275373 is a wasteful number, since it uses less digits than its factorization.

39490275373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831886.

The product of its (nonzero) digits is 4286520, while the sum is 52.

The spelling of 39490275373 in words is "thirty-nine billion, four hundred ninety million, two hundred seventy-five thousand, three hundred seventy-three".