421358542047 has 12 divisors (see below), whose sum is σ = 644430711600. Its totient is φ = 264381830208.

The previous prime is 421358542027. The next prime is 421358542067. The reversal of 421358542047 is 740245853124.

421358542047 is a `hidden beast` number, since 4 + 2 + 1 + 3 + 585 + 4 + 20 + 47 = 666.

It is an interprime number because it is at equal distance from previous prime (421358542027) and next prime (421358542067).

It is not a de Polignac number, because 421358542047 - 2²⁶ = 421291433183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421358541993 and 421358542011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421358542027) 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, 1376988547 + ... + 1376988852.

It is an arithmetic number, because the mean of its divisors is an integer number (53702559300).

Almost surely, 2^421358542047 is an apocalyptic number.

421358542047 is a deficient number, since it is larger than the sum of its proper divisors (223072169553).

421358542047 is a wasteful number, since it uses less digits than its factorization.

421358542047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753977422 (or 2753977419 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The spelling of 421358542047 in words is "four hundred twenty-one billion, three hundred fifty-eight million, five hundred forty-two thousand, forty-seven".