83849465637 has 12 divisors (see below), whose sum is σ = 138418165600. Its totient is φ = 47913980328.

The previous prime is 83849465627. The next prime is 83849465647. The reversal of 83849465637 is 73656494838.

83849465637 is a `hidden beast` number, since 83 + 8 + 494 + 6 + 5 + 63 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (83849465627) and next prime (83849465647).

It is not a de Polignac number, because 83849465637 - 2⁷ = 83849465509 is a prime.

It is a super-2 number, since 2×83849465637² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 1330943899 = 83849465637 / (8 + 3 + 8 + 4 + 9 + 4 + 6 + 5 + 6 + 3 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83849465627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 665471887 + ... + 665472012.

Almost surely, 2^83849465637 is an apocalyptic number.

It is an amenable number.

83849465637 is a deficient number, since it is larger than the sum of its proper divisors (54568699963).

83849465637 is a wasteful number, since it uses less digits than its factorization.

83849465637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330943912 (or 1330943909 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 63.

The spelling of 83849465637 in words is "eighty-three billion, eight hundred forty-nine million, four hundred sixty-five thousand, six hundred thirty-seven".