38515699465 has 8 divisors (see below), whose sum is σ = 46241061768. Its totient is φ = 30797744640.

The previous prime is 38515699441. The next prime is 38515699471. The reversal of 38515699465 is 56499651583.

It can be written as a sum of positive squares in 4 ways, for example, as 12570221689 + 25945477776 = 112117^2 + 161076^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38515699465 - 2¹¹ = 38515697417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1840422 + ... + 1861231.

It is an arithmetic number, because the mean of its divisors is an integer number (5780132721).

Almost surely, 2^38515699465 is an apocalyptic number.

It is an amenable number.

38515699465 is a deficient number, since it is larger than the sum of its proper divisors (7725362303).

38515699465 is a wasteful number, since it uses less digits than its factorization.

38515699465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703739.

The product of its digits is 34992000, while the sum is 61.

The spelling of 38515699465 in words is "thirty-eight billion, five hundred fifteen million, six hundred ninety-nine thousand, four hundred sixty-five".