361421432451 has 12 divisors (see below), whose sum is σ = 536162726112. Its totient is φ = 234435523536.

The previous prime is 361421432447. The next prime is 361421432461. The reversal of 361421432451 is 154234124163.

361421432451 is a `hidden beast` number, since 3 + 61 + 4 + 2 + 143 + 2 + 451 = 666.

It is not a de Polignac number, because 361421432451 - 2² = 361421432447 is a prime.

It is a super-3 number, since 3×361421432451³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (361421432431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 542674491 + ... + 542675156.

It is an arithmetic number, because the mean of its divisors is an integer number (44680227176).

Almost surely, 2^361421432451 is an apocalyptic number.

361421432451 is a deficient number, since it is larger than the sum of its proper divisors (174741293661).

361421432451 is a wasteful number, since it uses less digits than its factorization.

361421432451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085349690 (or 1085349687 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The spelling of 361421432451 in words is "three hundred sixty-one billion, four hundred twenty-one million, four hundred thirty-two thousand, four hundred fifty-one".