421052635377 has 32 divisors (see below), whose sum is σ = 720517887360. Its totient is φ = 240172623360.

The previous prime is 421052635373. The next prime is 421052635441. The reversal of 421052635377 is 773536250124.

421052635377 is a `hidden beast` number, since 4 + 2 + 1 + 0 + 5 + 2 + 635 + 3 + 7 + 7 = 666.

It is not a de Polignac number, because 421052635377 - 2² = 421052635373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421052635373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41691588 + ... + 41701685.

It is an arithmetic number, because the mean of its divisors is an integer number (22516183980).

Almost surely, 2^421052635377 is an apocalyptic number.

It is an amenable number.

421052635377 is a deficient number, since it is larger than the sum of its proper divisors (299465251983).

421052635377 is a wasteful number, since it uses less digits than its factorization.

421052635377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83393310 (or 83393304 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 421052635377 in words is "four hundred twenty-one billion, fifty-two million, six hundred thirty-five thousand, three hundred seventy-seven".