651403516223 has 4 divisors (see below), whose sum is σ = 654324608448. Its totient is φ = 648482424000.

The previous prime is 651403516219. The next prime is 651403516237. The reversal of 651403516223 is 322615304156.

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

It is a cyclic number.

It is not a de Polignac number, because 651403516223 - 2² = 651403516219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651403515223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460545778 + ... + 1460546223.

It is an arithmetic number, because the mean of its divisors is an integer number (163581152112).

Almost surely, 2^651403516223 is an apocalyptic number.

651403516223 is a deficient number, since it is larger than the sum of its proper divisors (2921092225).

651403516223 is a wasteful number, since it uses less digits than its factorization.

651403516223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921092224.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 651403516223 in words is "six hundred fifty-one billion, four hundred three million, five hundred sixteen thousand, two hundred twenty-three".