38620989506815 has 16 divisors (see below), whose sum is σ = 46425194232480. Its totient is φ = 30843456117760.

The previous prime is 38620989506809. The next prime is 38620989506831. The reversal of 38620989506815 is 51860598902683.

It is a happy number.

It is not a de Polignac number, because 38620989506815 - 2⁵ = 38620989506783 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157431171 + ... + 157676299.

It is an arithmetic number, because the mean of its divisors is an integer number (2901574639530).

Almost surely, 2^{38620989506815} is an apocalyptic number.

38620989506815 is a deficient number, since it is larger than the sum of its proper divisors (7804204725665).

38620989506815 is a wasteful number, since it uses less digits than its factorization.

38620989506815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299402.

The product of its (nonzero) digits is 223948800, while the sum is 70.

The spelling of 38620989506815 in words is "thirty-eight trillion, six hundred twenty billion, nine hundred eighty-nine million, five hundred six thousand, eight hundred fifteen".