38621614511 has 4 divisors (see below), whose sum is σ = 38640558000. Its totient is φ = 38602671024.

The previous prime is 38621614463. The next prime is 38621614547. The reversal of 38621614511 is 11541612683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11541612683 = 1283 ⋅8995801.

It is a cyclic number.

It is not a de Polignac number, because 38621614511 - 2³⁴ = 21441745327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38621614711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9468686 + ... + 9472763.

It is an arithmetic number, because the mean of its divisors is an integer number (9660139500).

Almost surely, 2^38621614511 is an apocalyptic number.

38621614511 is a deficient number, since it is larger than the sum of its proper divisors (18943489).

38621614511 is a wasteful number, since it uses less digits than its factorization.

38621614511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18943488.

The product of its digits is 34560, while the sum is 38.

The spelling of 38621614511 in words is "thirty-eight billion, six hundred twenty-one million, six hundred fourteen thousand, five hundred eleven".