2434311021 has 4 divisors (see below), whose sum is σ = 3245748032. Its totient is φ = 1622874012.

The previous prime is 2434310987. The next prime is 2434311023. The reversal of 2434311021 is 1201134342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2434311021 - 2²¹ = 2432213869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2434311023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405718501 + ... + 405718506.

It is an arithmetic number, because the mean of its divisors is an integer number (811437008).

Almost surely, 2^2434311021 is an apocalyptic number.

It is an amenable number.

2434311021 is a deficient number, since it is larger than the sum of its proper divisors (811437011).

2434311021 is an equidigital number, since it uses as much as digits as its factorization.

2434311021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811437010.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2434311021 is about 49338.7375294504. The cubic root of 2434311021 is about 1345.2159925459.

Adding to 2434311021 its reverse (1201134342), we get a palindrome (3635445363).

The spelling of 2434311021 in words is "two billion, four hundred thirty-four million, three hundred eleven thousand, twenty-one".