38534478751 has 8 divisors (see below), whose sum is σ = 38788296624. Its totient is φ = 38281398720.

The previous prime is 38534478733. The next prime is 38534478791. The reversal of 38534478751 is 15787443583.

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

It is a cyclic number.

It is not a de Polignac number, because 38534478751 - 2⁹ = 38534478239 is a prime.

It is a super-2 number, since 2×38534478751² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38534478692 and 38534478701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38534478701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79470 + ... + 288763.

It is an arithmetic number, because the mean of its divisors is an integer number (4848537078).

Almost surely, 2^38534478751 is an apocalyptic number.

38534478751 is a deficient number, since it is larger than the sum of its proper divisors (253817873).

38534478751 is a wasteful number, since it uses less digits than its factorization.

38534478751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368921.

The product of its digits is 11289600, while the sum is 55.

The spelling of 38534478751 in words is "thirty-eight billion, five hundred thirty-four million, four hundred seventy-eight thousand, seven hundred fifty-one".