193489960631 has 16 divisors (see below), whose sum is σ = 215619383808. Its totient is φ = 172118788800.

The previous prime is 193489960627. The next prime is 193489960633. The reversal of 193489960631 is 136069984391.

It is a cyclic number.

It is not a de Polignac number, because 193489960631 - 2² = 193489960627 is a prime.

It is a super-2 number, since 2×193489960631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193489960633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2402171 + ... + 2481411.

It is an arithmetic number, because the mean of its divisors is an integer number (13476211488).

Almost surely, 2^193489960631 is an apocalyptic number.

193489960631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

193489960631 is a deficient number, since it is larger than the sum of its proper divisors (22129423177).

193489960631 is a wasteful number, since it uses less digits than its factorization.

193489960631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84022.

The product of its (nonzero) digits is 7558272, while the sum is 59.

The spelling of 193489960631 in words is "one hundred ninety-three billion, four hundred eighty-nine million, nine hundred sixty thousand, six hundred thirty-one".