2421142775 has 24 divisors (see below), whose sum is σ = 3035189664. Its totient is φ = 1915750400.

The previous prime is 2421142751. The next prime is 2421142777. The reversal of 2421142775 is 5772411242.

It is not a de Polignac number, because 2421142775 - 2¹² = 2421138679 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421142777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1064039 + ... + 1066311.

It is an arithmetic number, because the mean of its divisors is an integer number (126466236).

Almost surely, 2^2421142775 is an apocalyptic number.

2421142775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2421142775 is a deficient number, since it is larger than the sum of its proper divisors (614046889).

2421142775 is a wasteful number, since it uses less digits than its factorization.

2421142775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731 (or 2726 counting only the distinct ones).

The product of its digits is 31360, while the sum is 35.

The square root of 2421142775 is about 49205.1092367449. The cubic root of 2421142775 is about 1342.7859863484.

The spelling of 2421142775 in words is "two billion, four hundred twenty-one million, one hundred forty-two thousand, seven hundred seventy-five".