420005264649 has 8 divisors (see below), whose sum is σ = 584355150912. Its totient is φ = 267829444080.

The previous prime is 420005264621. The next prime is 420005264671. The reversal of 420005264649 is 946462500024.

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

It is not a de Polignac number, because 420005264649 - 2⁷ = 420005264521 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 420005264649.

It is not an unprimeable number, because it can be changed into a prime (420005264449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3043516342 + ... + 3043516479.

It is an arithmetic number, because the mean of its divisors is an integer number (73044393864).

Almost surely, 2^420005264649 is an apocalyptic number.

It is an amenable number.

420005264649 is a deficient number, since it is larger than the sum of its proper divisors (164349886263).

420005264649 is a wasteful number, since it uses less digits than its factorization.

420005264649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6087032847.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 420005264649 in words is "four hundred twenty billion, five million, two hundred sixty-four thousand, six hundred forty-nine".