38720092293 has 6 divisors (see below), whose sum is σ = 55929022214. Its totient is φ = 25813394856.

The previous prime is 38720092261. The next prime is 38720092319. The reversal of 38720092293 is 39229002783.

It can be written as a sum of positive squares in only one way, i.e., 38566282689 + 153809604 = 196383^2 + 12402^2 .

It is not a de Polignac number, because 38720092293 - 2⁵ = 38720092261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38720092093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2151116230 + ... + 2151116247.

Almost surely, 2^38720092293 is an apocalyptic number.

It is an amenable number.

38720092293 is a deficient number, since it is larger than the sum of its proper divisors (17208929921).

38720092293 is a wasteful number, since it uses less digits than its factorization.

38720092293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302232483 (or 4302232480 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 38720092293 in words is "thirty-eight billion, seven hundred twenty million, ninety-two thousand, two hundred ninety-three".