79653954603 has 4 divisors (see below), whose sum is σ = 106205272808. Its totient is φ = 53102636400.

The previous prime is 79653954491. The next prime is 79653954629. The reversal of 79653954603 is 30645935697.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 79653954603 - 2¹⁴ = 79653938219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79653954673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13275659098 + ... + 13275659103.

It is an arithmetic number, because the mean of its divisors is an integer number (26551318202).

Almost surely, 2^79653954603 is an apocalyptic number.

79653954603 is a deficient number, since it is larger than the sum of its proper divisors (26551318205).

79653954603 is a wasteful number, since it uses less digits than its factorization.

79653954603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26551318204.

The product of its (nonzero) digits is 18370800, while the sum is 57.

The spelling of 79653954603 in words is "seventy-nine billion, six hundred fifty-three million, nine hundred fifty-four thousand, six hundred three".