73553403813 has 4 divisors (see below), whose sum is σ = 98071205088. Its totient is φ = 49035602540.

The previous prime is 73553403797. The next prime is 73553403829. The reversal of 73553403813 is 31830435537.

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 an interprime number because it is at equal distance from previous prime (73553403797) and next prime (73553403829).

It is a cyclic number.

It is not a de Polignac number, because 73553403813 - 2⁴ = 73553403797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73553403883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12258900633 + ... + 12258900638.

It is an arithmetic number, because the mean of its divisors is an integer number (24517801272).

Almost surely, 2^73553403813 is an apocalyptic number.

It is an amenable number.

73553403813 is a deficient number, since it is larger than the sum of its proper divisors (24517801275).

73553403813 is a wasteful number, since it uses less digits than its factorization.

73553403813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24517801274.

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 73553403813 in words is "seventy-three billion, five hundred fifty-three million, four hundred three thousand, eight hundred thirteen".