421263652207 has 8 divisors (see below), whose sum is σ = 427261068000. Its totient is φ = 415294328064.

The previous prime is 421263652189. The next prime is 421263652217. The reversal of 421263652207 is 702256362124.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421263652207 - 2²³ = 421255263599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421263652207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421263652217) 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 7 ways as a sum of consecutive naturals, for example, 6992707 + ... + 7052692.

It is an arithmetic number, because the mean of its divisors is an integer number (53407633500).

Almost surely, 2^421263652207 is an apocalyptic number.

421263652207 is a deficient number, since it is larger than the sum of its proper divisors (5997415793).

421263652207 is a wasteful number, since it uses less digits than its factorization.

421263652207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14045825.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 421263652207 in words is "four hundred twenty-one billion, two hundred sixty-three million, six hundred fifty-two thousand, two hundred seven".