38647145953 has 12 divisors (see below), whose sum is σ = 41862266748. Its totient is φ = 35662710720.

The previous prime is 38647145951. The next prime is 38647145969. The reversal of 38647145953 is 35954174683.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 10267363584 + 28379782369 = 101328^2 + 168463^2 .

It is not a de Polignac number, because 38647145953 - 2¹ = 38647145951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38647145894 and 38647145903.

It is not an unprimeable number, because it can be changed into a prime (38647145951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508851 + ... + 579847.

It is an arithmetic number, because the mean of its divisors is an integer number (3488522229).

Almost surely, 2^38647145953 is an apocalyptic number.

It is an amenable number.

38647145953 is a deficient number, since it is larger than the sum of its proper divisors (3215120795).

38647145953 is a wasteful number, since it uses less digits than its factorization.

38647145953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74244 (or 74231 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 55.

The spelling of 38647145953 in words is "thirty-eight billion, six hundred forty-seven million, one hundred forty-five thousand, nine hundred fifty-three".