421120677537 has 32 divisors (see below), whose sum is σ = 754950240000. Its totient is φ = 226485068544.

The previous prime is 421120677529. The next prime is 421120677539. The reversal of 421120677537 is 735776021124.

421120677537 is a `hidden beast` number, since 4 + 21 + 1 + 20 + 6 + 77 + 537 = 666.

It is not a de Polignac number, because 421120677537 - 2³ = 421120677529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421120677492 and 421120677501.

It is not an unprimeable number, because it can be changed into a prime (421120677539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65530662 + ... + 65537087.

It is an arithmetic number, because the mean of its divisors is an integer number (23592195000).

Almost surely, 2^421120677537 is an apocalyptic number.

It is an amenable number.

421120677537 is a deficient number, since it is larger than the sum of its proper divisors (333829562463).

421120677537 is a wasteful number, since it uses less digits than its factorization.

421120677537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131067782 (or 131067776 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 421120677537 in words is "four hundred twenty-one billion, one hundred twenty million, six hundred seventy-seven thousand, five hundred thirty-seven".