642622465037 has 8 divisors (see below), whose sum is σ = 734484206400. Its totient is φ = 550775356704.

The previous prime is 642622464931. The next prime is 642622465061. The reversal of 642622465037 is 730564226246.

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 642622465037 - 2¹² = 642622460941 is a prime.

It is a super-2 number, since 2×642622465037² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 642622464982 and 642622465000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642622461037) 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, 3563987 + ... + 3739952.

It is an arithmetic number, because the mean of its divisors is an integer number (91810525800).

Almost surely, 2^642622465037 is an apocalyptic number.

It is an amenable number.

642622465037 is a deficient number, since it is larger than the sum of its proper divisors (91861741363).

642622465037 is a wasteful number, since it uses less digits than its factorization.

642622465037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7316515.

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 642622465037 in words is "six hundred forty-two billion, six hundred twenty-two million, four hundred sixty-five thousand, thirty-seven".