2456420999 has 8 divisors (see below), whose sum is σ = 2563884672. Its totient is φ = 2349012600.

The previous prime is 2456420977. The next prime is 2456421029. The reversal of 2456420999 is 9990246542.

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 2456420999 - 2²⁴ = 2439643783 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 (2456420929) 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, 95492 + ... + 118454.

It is an arithmetic number, because the mean of its divisors is an integer number (320485584).

Almost surely, 2^2456420999 is an apocalyptic number.

2456420999 is a deficient number, since it is larger than the sum of its proper divisors (107463673).

2456420999 is a wasteful number, since it uses less digits than its factorization.

2456420999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27637.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The square root of 2456420999 is about 49562.2941256758. The cubic root of 2456420999 is about 1349.2764296268.

The spelling of 2456420999 in words is "two billion, four hundred fifty-six million, four hundred twenty thousand, nine hundred ninety-nine".