612980633853 has 32 divisors (see below), whose sum is σ = 1041166726400. Its totient is φ = 349155525888.

The previous prime is 612980633833. The next prime is 612980633879. The reversal of 612980633853 is 358336089216.

It is a happy number.

612980633853 is a `hidden beast` number, since 6 + 129 + 80 + 63 + 385 + 3 = 666.

It is not a de Polignac number, because 612980633853 - 2⁹ = 612980633341 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 612980633853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612980633833) 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 31 ways as a sum of consecutive naturals, for example, 5121808 + ... + 5240121.

It is an arithmetic number, because the mean of its divisors is an integer number (32536460200).

Almost surely, 2^612980633853 is an apocalyptic number.

612980633853 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

612980633853 is a deficient number, since it is larger than the sum of its proper divisors (428186092547).

612980633853 is a wasteful number, since it uses less digits than its factorization.

612980633853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10362258 (or 10362252 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 612980633853 in words is "six hundred twelve billion, nine hundred eighty million, six hundred thirty-three thousand, eight hundred fifty-three".