38275545391 has 32 divisors (see below), whose sum is σ = 41085757440. Its totient is φ = 35555065344.

The previous prime is 38275545349. The next prime is 38275545439. The reversal of 38275545391 is 19354557283.

It is a cyclic number.

It is not a de Polignac number, because 38275545391 - 2¹⁷ = 38275414319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38275545311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135249136 + ... + 135249418.

It is an arithmetic number, because the mean of its divisors is an integer number (1283929920).

Almost surely, 2^38275545391 is an apocalyptic number.

38275545391 is a deficient number, since it is larger than the sum of its proper divisors (2810212049).

38275545391 is a wasteful number, since it uses less digits than its factorization.

38275545391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895.

The product of its digits is 4536000, while the sum is 52.

The spelling of 38275545391 in words is "thirty-eight billion, two hundred seventy-five million, five hundred forty-five thousand, three hundred ninety-one".