83537630349 has 4 divisors (see below), whose sum is σ = 111383507136. Its totient is φ = 55691753564.

The previous prime is 83537630317. The next prime is 83537630381. The reversal of 83537630349 is 94303673538.

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 (83537630317) and next prime (83537630381).

It is a cyclic number.

It is not a de Polignac number, because 83537630349 - 2⁵ = 83537630317 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83537630249) 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, 13922938389 + ... + 13922938394.

It is an arithmetic number, because the mean of its divisors is an integer number (27845876784).

Almost surely, 2^83537630349 is an apocalyptic number.

It is an amenable number.

83537630349 is a deficient number, since it is larger than the sum of its proper divisors (27845876787).

83537630349 is a wasteful number, since it uses less digits than its factorization.

83537630349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27845876786.

The product of its (nonzero) digits is 4898880, while the sum is 51.

The spelling of 83537630349 in words is "eighty-three billion, five hundred thirty-seven million, six hundred thirty thousand, three hundred forty-nine".