39601923442 has 4 divisors (see below), whose sum is σ = 59402885166. Its totient is φ = 19800961720.

The previous prime is 39601923433. The next prime is 39601923461. The reversal of 39601923442 is 24432910693.

39601923442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 31014379881 + 8587543561 = 176109^2 + 92669^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9900480859 + ... + 9900480862.

Almost surely, 2^39601923442 is an apocalyptic number.

39601923442 is a deficient number, since it is larger than the sum of its proper divisors (19800961724).

39601923442 is a wasteful number, since it uses less digits than its factorization.

39601923442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19800961723.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 39601923442 in words is "thirty-nine billion, six hundred one million, nine hundred twenty-three thousand, four hundred forty-two".