420724552607 has 4 divisors (see below), whose sum is σ = 421404237480. Its totient is φ = 420044867736.

The previous prime is 420724552543. The next prime is 420724552609. The reversal of 420724552607 is 706255427024.

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 420724552607 - 2⁶ = 420724552543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420724552609) 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, 339841508 + ... + 339842745.

It is an arithmetic number, because the mean of its divisors is an integer number (105351059370).

Almost surely, 2^420724552607 is an apocalyptic number.

420724552607 is a deficient number, since it is larger than the sum of its proper divisors (679684873).

420724552607 is an equidigital number, since it uses as much as digits as its factorization.

420724552607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679684872.

The product of its (nonzero) digits is 940800, while the sum is 44.

The spelling of 420724552607 in words is "four hundred twenty billion, seven hundred twenty-four million, five hundred fifty-two thousand, six hundred seven".