38652721411507 has 4 divisors (see below), whose sum is σ = 44174538756016. Its totient is φ = 33130904067000.

The previous prime is 38652721411501. The next prime is 38652721411537. The reversal of 38652721411507 is 70511412725683.

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 38652721411507 - 2³⁵ = 38618361673139 is a prime.

It is a super-2 number, since 2×38652721411507² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38652721411501) 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, 2760908672244 + ... + 2760908672257.

It is an arithmetic number, because the mean of its divisors is an integer number (11043634689004).

Almost surely, 2^{38652721411507} is an apocalyptic number.

38652721411507 is a deficient number, since it is larger than the sum of its proper divisors (5521817344509).

38652721411507 is an equidigital number, since it uses as much as digits as its factorization.

38652721411507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5521817344508.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 38652721411507 in words is "thirty-eight trillion, six hundred fifty-two billion, seven hundred twenty-one million, four hundred eleven thousand, five hundred seven".