420525051567347 has 4 divisors (see below), whose sum is σ = 442657949018280. Its totient is φ = 398392154116416.

The previous prime is 420525051567337. The next prime is 420525051567389. The reversal of 420525051567347 is 743765150525024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420525051567347 - 2²⁶ = 420524984458483 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420525051567292 and 420525051567301.

It is not an unprimeable number, because it can be changed into a prime (420525051567337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11066448725438 + ... + 11066448725475.

It is an arithmetic number, because the mean of its divisors is an integer number (110664487254570).

Almost surely, 2^{420525051567347} is an apocalyptic number.

420525051567347 is a deficient number, since it is larger than the sum of its proper divisors (22132897450933).

420525051567347 is a wasteful number, since it uses less digits than its factorization.

420525051567347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22132897450932.

The product of its (nonzero) digits is 35280000, while the sum is 56.

The spelling of 420525051567347 in words is "four hundred twenty trillion, five hundred twenty-five billion, fifty-one million, five hundred sixty-seven thousand, three hundred forty-seven".