2456221413 has 8 divisors (see below), whose sum is σ = 3291586848. Its totient is φ = 1629168464.

The previous prime is 2456221393. The next prime is 2456221423. The reversal of 2456221413 is 3141226542.

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 2456221413 - 2⁶ = 2456221349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2456221423) 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, 2077431 + ... + 2078612.

It is an arithmetic number, because the mean of its divisors is an integer number (411448356).

Almost surely, 2^2456221413 is an apocalyptic number.

It is an amenable number.

2456221413 is a deficient number, since it is larger than the sum of its proper divisors (835365435).

2456221413 is a wasteful number, since it uses less digits than its factorization.

2456221413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156243.

The product of its digits is 11520, while the sum is 30.

The square root of 2456221413 is about 49560.2805984793. The cubic root of 2456221413 is about 1349.2398854053.

Adding to 2456221413 its reverse (3141226542), we get a palindrome (5597447955).

The spelling of 2456221413 in words is "two billion, four hundred fifty-six million, two hundred twenty-one thousand, four hundred thirteen".