361971238149 has 12 divisors (see below), whose sum is σ = 522857793900. Its totient is φ = 241309335744.

The previous prime is 361971238147. The next prime is 361971238193. The reversal of 361971238149 is 941832179163.

361971238149 is a `hidden beast` number, since 3 + 619 + 7 + 1 + 2 + 3 + 8 + 14 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 89471577924 + 272499660225 = 299118^2 + 522015^2 .

It is not a de Polignac number, because 361971238149 - 2¹ = 361971238147 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 361971238095 and 361971238104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361971238147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107367 + ... + 857595.

It is an arithmetic number, because the mean of its divisors is an integer number (43571482825).

Almost surely, 2^361971238149 is an apocalyptic number.

It is an amenable number.

361971238149 is a deficient number, since it is larger than the sum of its proper divisors (160886555751).

361971238149 is a wasteful number, since it uses less digits than its factorization.

361971238149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803844 (or 803841 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The spelling of 361971238149 in words is "three hundred sixty-one billion, nine hundred seventy-one million, two hundred thirty-eight thousand, one hundred forty-nine".