39421493336 has 32 divisors (see below), whose sum is σ = 75186997200. Its totient is φ = 19371795840.

The previous prime is 39421493269. The next prime is 39421493339. The reversal of 39421493336 is 63339412493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39421493339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2509346 + ... + 2525006.

Almost surely, 2^39421493336 is an apocalyptic number.

It is an amenable number.

39421493336 is a deficient number, since it is larger than the sum of its proper divisors (35765503864).

39421493336 is a wasteful number, since it uses less digits than its factorization.

39421493336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21059 (or 21055 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 47.

The spelling of 39421493336 in words is "thirty-nine billion, four hundred twenty-one million, four hundred ninety-three thousand, three hundred thirty-six".