38728462519 has 2 divisors, whose sum is σ = 38728462520. Its totient is φ = 38728462518.

The previous prime is 38728462481. The next prime is 38728462567. The reversal of 38728462519 is 91526482783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38728462519 - 2⁷ = 38728462391 is a prime.

It is a super-2 number, since 2×38728462519² (a number of 22 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 38728462519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38728462579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19364231259 + 19364231260.

It is an arithmetic number, because the mean of its divisors is an integer number (19364231260).

Almost surely, 2^38728462519 is an apocalyptic number.

38728462519 is a deficient number, since it is larger than the sum of its proper divisors (1).

38728462519 is an equidigital number, since it uses as much as digits as its factorization.

38728462519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 55.

The spelling of 38728462519 in words is "thirty-eight billion, seven hundred twenty-eight million, four hundred sixty-two thousand, five hundred nineteen".