39994686962 has 4 divisors (see below), whose sum is σ = 59992030446. Its totient is φ = 19997343480.

The previous prime is 39994686943. The next prime is 39994687091. The reversal of 39994686962 is 26968649993.

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., 29560268761 + 10434418201 = 171931^2 + 102149^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9998671739 + ... + 9998671742.

Almost surely, 2^39994686962 is an apocalyptic number.

39994686962 is a deficient number, since it is larger than the sum of its proper divisors (19997343484).

39994686962 is a wasteful number, since it uses less digits than its factorization.

39994686962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19997343483.

The product of its digits is 272097792, while the sum is 71.

The spelling of 39994686962 in words is "thirty-nine billion, nine hundred ninety-four million, six hundred eighty-six thousand, nine hundred sixty-two".