39919938034 has 16 divisors (see below), whose sum is σ = 61143291288. Its totient is φ = 19540490112.

The previous prime is 39919938029. The next prime is 39919938043. The reversal of 39919938034 is 43083991993.

It can be written as a sum of positive squares in 4 ways, for example, as 38645662225 + 1274275809 = 196585^2 + 35697^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 39919938034.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363597 + ... + 460480.

Almost surely, 2^39919938034 is an apocalyptic number.

39919938034 is a deficient number, since it is larger than the sum of its proper divisors (21223353254).

39919938034 is a wasteful number, since it uses less digits than its factorization.

39919938034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824589.

The product of its (nonzero) digits is 5668704, while the sum is 58.

The spelling of 39919938034 in words is "thirty-nine billion, nine hundred nineteen million, nine hundred thirty-eight thousand, thirty-four".