83930428653 has 4 divisors (see below), whose sum is σ = 111907238208. Its totient is φ = 55953619100.

The previous prime is 83930428651. The next prime is 83930428661. The reversal of 83930428653 is 35682403938.

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 83930428653 - 2¹ = 83930428651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83930428596 and 83930428605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83930428651) 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, 13988404773 + ... + 13988404778.

It is an arithmetic number, because the mean of its divisors is an integer number (27976809552).

Almost surely, 2^83930428653 is an apocalyptic number.

It is an amenable number.

83930428653 is a deficient number, since it is larger than the sum of its proper divisors (27976809555).

83930428653 is a wasteful number, since it uses less digits than its factorization.

83930428653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27976809554.

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 83930428653 in words is "eighty-three billion, nine hundred thirty million, four hundred twenty-eight thousand, six hundred fifty-three".