63652121437507 has 2 divisors, whose sum is σ = 63652121437508. Its totient is φ = 63652121437506.

The previous prime is 63652121437469. The next prime is 63652121437621. The reversal of 63652121437507 is 70573412125636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63652121437507 - 2²³ = 63652113048899 is a prime.

It is a super-2 number, since 2×63652121437507² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63652131437507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31826060718753 + 31826060718754.

It is an arithmetic number, because the mean of its divisors is an integer number (31826060718754).

Almost surely, 2^{63652121437507} is an apocalyptic number.

63652121437507 is a deficient number, since it is larger than the sum of its proper divisors (1).

63652121437507 is an equidigital number, since it uses as much as digits as its factorization.

63652121437507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 63652121437507 in words is "sixty-three trillion, six hundred fifty-two billion, one hundred twenty-one million, four hundred thirty-seven thousand, five hundred seven".