9979653462 has 16 divisors (see below), whose sum is σ = 20446119792. Its totient is φ = 3245415680.

The previous prime is 9979653443. The next prime is 9979653479. The reversal of 9979653462 is 2643569799.

It is a junction number, because it is equal to n+sod(n) for n = 9979653396 and 9979653405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20283603 + ... + 20284094.

It is an arithmetic number, because the mean of its divisors is an integer number (1277882487).

Almost surely, 2^9979653462 is an apocalyptic number.

9979653462 is an abundant number, since it is smaller than the sum of its proper divisors (10466466330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9979653462 is a wasteful number, since it uses less digits than its factorization.

9979653462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40567743.

The product of its digits is 22044960, while the sum is 60.

The square root of 9979653462 is about 99898.2155095876. The cubic root of 9979653462 is about 2152.9725216713.

The spelling of 9979653462 in words is "nine billion, nine hundred seventy-nine million, six hundred fifty-three thousand, four hundred sixty-two".