99744673013 has 4 divisors (see below), whose sum is σ = 100046016768. Its totient is φ = 99443329260.

The previous prime is 99744673009. The next prime is 99744673057. The reversal of 99744673013 is 31037644799.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99744673013 - 2² = 99744673009 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 (99744670013) 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, 150671381 + ... + 150672042.

It is an arithmetic number, because the mean of its divisors is an integer number (25011504192).

Almost surely, 2^99744673013 is an apocalyptic number.

It is an amenable number.

99744673013 is a deficient number, since it is larger than the sum of its proper divisors (301343755).

99744673013 is a wasteful number, since it uses less digits than its factorization.

99744673013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301343754.

The product of its (nonzero) digits is 3429216, while the sum is 53.

The spelling of 99744673013 in words is "ninety-nine billion, seven hundred forty-four million, six hundred seventy-three thousand, thirteen".