39354909742 has 4 divisors (see below), whose sum is σ = 59032364616. Its totient is φ = 19677454870.

The previous prime is 39354909709. The next prime is 39354909773. The reversal of 39354909742 is 24790945393.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9838727434 + ... + 9838727437.

It is an arithmetic number, because the mean of its divisors is an integer number (14758091154).

Almost surely, 2^39354909742 is an apocalyptic number.

39354909742 is a deficient number, since it is larger than the sum of its proper divisors (19677454874).

39354909742 is a wasteful number, since it uses less digits than its factorization.

39354909742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19677454873.

The product of its (nonzero) digits is 7348320, while the sum is 55.

The spelling of 39354909742 in words is "thirty-nine billion, three hundred fifty-four million, nine hundred nine thousand, seven hundred forty-two".