651042455612 has 24 divisors (see below), whose sum is σ = 1206608092704. Its totient is φ = 306305690112.

The previous prime is 651042455611. The next prime is 651042455641. The reversal of 651042455612 is 216554240156.

It is a self number, because there is not a number n which added to its sum of digits gives 651042455612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651042455611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737633 + ... + 1358744.

It is an arithmetic number, because the mean of its divisors is an integer number (50275337196).

Almost surely, 2^651042455612 is an apocalyptic number.

It is an amenable number.

651042455612 is a deficient number, since it is larger than the sum of its proper divisors (555565637092).

651042455612 is a wasteful number, since it uses less digits than its factorization.

651042455612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100965 (or 2100963 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

Adding to 651042455612 its reverse (216554240156), we get a palindrome (867596695768).

The spelling of 651042455612 in words is "six hundred fifty-one billion, forty-two million, four hundred fifty-five thousand, six hundred twelve".