361428435621 has 48 divisors (see below), whose sum is σ = 612025547328. Its totient is φ = 203085273600.

The previous prime is 361428435593. The next prime is 361428435623. The reversal of 361428435621 is 126534824163.

361428435621 is a `hidden beast` number, since 3 + 6 + 1 + 4 + 2 + 84 + 3 + 562 + 1 = 666.

It is not a de Polignac number, because 361428435621 - 2¹⁹ = 361427911333 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361428435623) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1489870 + ... + 1715391.

It is an arithmetic number, because the mean of its divisors is an integer number (12750532236).

Almost surely, 2^361428435621 is an apocalyptic number.

It is an amenable number.

361428435621 is a deficient number, since it is larger than the sum of its proper divisors (250597111707).

361428435621 is a wasteful number, since it uses less digits than its factorization.

361428435621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205362 (or 3205359 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 361428435621 in words is "three hundred sixty-one billion, four hundred twenty-eight million, four hundred thirty-five thousand, six hundred twenty-one".