651240222554361 has 8 divisors (see below), whose sum is σ = 947258505533664. Its totient is φ = 394691043972320.

The previous prime is 651240222554347. The next prime is 651240222554381. The reversal of 651240222554361 is 163455222042156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 651240222554361 - 2²² = 651240218360057 is a prime.

It is a super-2 number, since 2×651240222554361² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 651240222554361.

It is not an unprimeable number, because it can be changed into a prime (651240222554381) 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 7 ways as a sum of consecutive naturals, for example, 9867276099276 + ... + 9867276099341.

It is an arithmetic number, because the mean of its divisors is an integer number (118407313191708).

Almost surely, 2^{651240222554361} is an apocalyptic number.

It is an amenable number.

651240222554361 is a deficient number, since it is larger than the sum of its proper divisors (296018282979303).

651240222554361 is a wasteful number, since it uses less digits than its factorization.

651240222554361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19734552198631.

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 651240222554361 in words is "six hundred fifty-one trillion, two hundred forty billion, two hundred twenty-two million, five hundred fifty-four thousand, three hundred sixty-one".