38477381149 has 4 divisors (see below), whose sum is σ = 39004468636. Its totient is φ = 37950293664.

The previous prime is 38477381143. The next prime is 38477381167. The reversal of 38477381149 is 94118377483.

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 17254136025 + 21223245124 = 131355^2 + 145682^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38477381149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38477381149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38477381143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263543634 + ... + 263543779.

It is an arithmetic number, because the mean of its divisors is an integer number (9751117159).

Almost surely, 2^38477381149 is an apocalyptic number.

It is an amenable number.

38477381149 is a deficient number, since it is larger than the sum of its proper divisors (527087487).

38477381149 is an equidigital number, since it uses as much as digits as its factorization.

38477381149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527087486.

The product of its digits is 4064256, while the sum is 55.

The spelling of 38477381149 in words is "thirty-eight billion, four hundred seventy-seven million, three hundred eighty-one thousand, one hundred forty-nine".