38311648245 has 64 divisors (see below), whose sum is σ = 75137932800. Its totient is φ = 18401057280.

The previous prime is 38311648223. The next prime is 38311648247. The reversal of 38311648245 is 54284611383.

38311648245 is a `hidden beast` number, since 38 + 311 + 64 + 8 + 245 = 666.

It is not a de Polignac number, because 38311648245 - 2¹⁴ = 38311631861 is a prime.

It is a super-2 number, since 2×38311648245² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 38311648245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38311648247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 194265 + ... + 338174.

It is an arithmetic number, because the mean of its divisors is an integer number (1174030200).

Almost surely, 2^38311648245 is an apocalyptic number.

It is an amenable number.

38311648245 is a deficient number, since it is larger than the sum of its proper divisors (36826284555).

38311648245 is a wasteful number, since it uses less digits than its factorization.

38311648245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532507 (or 532501 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The spelling of 38311648245 in words is "thirty-eight billion, three hundred eleven million, six hundred forty-eight thousand, two hundred forty-five".