30497669639 has 8 divisors (see below), whose sum is σ = 32372185248. Its totient is φ = 28632102400.

The previous prime is 30497669597. The next prime is 30497669663. The reversal of 30497669639 is 93696679403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30497669639 - 2²⁰ = 30496621063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30497669689) 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, 2230067 + ... + 2243700.

It is an arithmetic number, because the mean of its divisors is an integer number (4046523156).

Almost surely, 2^30497669639 is an apocalyptic number.

30497669639 is a deficient number, since it is larger than the sum of its proper divisors (1874515609).

30497669639 is a wasteful number, since it uses less digits than its factorization.

30497669639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4474185.

The product of its (nonzero) digits is 39680928, while the sum is 62.

The spelling of 30497669639 in words is "thirty billion, four hundred ninety-seven million, six hundred sixty-nine thousand, six hundred thirty-nine".