39654940498 has 4 divisors (see below), whose sum is σ = 59482410750. Its totient is φ = 19827470248.

The previous prime is 39654940487. The next prime is 39654940543. The reversal of 39654940498 is 89404945693.

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., 28639808289 + 11015132209 = 169233^2 + 104953^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9913735123 + ... + 9913735126.

Almost surely, 2^39654940498 is an apocalyptic number.

39654940498 is a deficient number, since it is larger than the sum of its proper divisors (19827470252).

39654940498 is a wasteful number, since it uses less digits than its factorization.

39654940498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19827470251.

The product of its (nonzero) digits is 33592320, while the sum is 61.

The spelling of 39654940498 in words is "thirty-nine billion, six hundred fifty-four million, nine hundred forty thousand, four hundred ninety-eight".