38263546513 has 4 divisors (see below), whose sum is σ = 38266310628. Its totient is φ = 38260782400.

The previous prime is 38263546469. The next prime is 38263546523. The reversal of 38263546513 is 31564536283.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13737480849 + 24526065664 = 117207^2 + 156608^2 .

It is a cyclic number.

It is not a de Polignac number, because 38263546513 - 2¹⁷ = 38263415441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38263546523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1361188 + ... + 1389013.

It is an arithmetic number, because the mean of its divisors is an integer number (9566577657).

Almost surely, 2^38263546513 is an apocalyptic number.

It is an amenable number.

38263546513 is a deficient number, since it is larger than the sum of its proper divisors (2764115).

38263546513 is a wasteful number, since it uses less digits than its factorization.

38263546513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764114.

The product of its digits is 1555200, while the sum is 46.

The spelling of 38263546513 in words is "thirty-eight billion, two hundred sixty-three million, five hundred forty-six thousand, five hundred thirteen".