700646052669721 has 16 divisors (see below), whose sum is σ = 748190395560960. Its totient is φ = 654660843802560.

The previous prime is 700646052669709. The next prime is 700646052669817. The reversal of 700646052669721 is 127966250646007.

It is a cyclic number.

It is not a de Polignac number, because 700646052669721 - 2¹⁹ = 700646052145433 is a prime.

It is a super-2 number, since 2×700646052669721² (a number of 30 digits) contains 22 as substring.

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 700646052669721.

It is not an unprimeable number, because it can be changed into a prime (700646052669221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218821116 + ... + 221999938.

It is an arithmetic number, because the mean of its divisors is an integer number (46761899722560).

Almost surely, 2^{700646052669721} is an apocalyptic number.

It is an amenable number.

700646052669721 is a deficient number, since it is larger than the sum of its proper divisors (47544342891239).

700646052669721 is a wasteful number, since it uses less digits than its factorization.

700646052669721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424056.

The product of its (nonzero) digits is 45722880, while the sum is 61.

The spelling of 700646052669721 in words is "seven hundred trillion, six hundred forty-six billion, fifty-two million, six hundred sixty-nine thousand, seven hundred twenty-one".