651613612982 has 4 divisors (see below), whose sum is σ = 977420419476. Its totient is φ = 325806806490.

The previous prime is 651613612981. The next prime is 651613613011. The reversal of 651613612982 is 289216316156.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 651613612982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651613612981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162903403244 + ... + 162903403247.

It is an arithmetic number, because the mean of its divisors is an integer number (244355104869).

Almost surely, 2^651613612982 is an apocalyptic number.

651613612982 is a deficient number, since it is larger than the sum of its proper divisors (325806806494).

651613612982 is a wasteful number, since it uses less digits than its factorization.

651613612982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325806806493.

The product of its digits is 933120, while the sum is 50.

The spelling of 651613612982 in words is "six hundred fifty-one billion, six hundred thirteen million, six hundred twelve thousand, nine hundred eighty-two".