2430321057 has 8 divisors (see below), whose sum is σ = 3600475680. Its totient is φ = 1620214020.

The previous prime is 2430321011. The next prime is 2430321077. The reversal of 2430321057 is 7501230342.

It is not a de Polignac number, because 2430321057 - 2⁷ = 2430320929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 90011891 = 2430321057 / (2 + 4 + 3 + 0 + 3 + 2 + 1 + 0 + 5 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 2430321057.

It is not an unprimeable number, because it can be changed into a prime (2430321077) 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, 45005919 + ... + 45005972.

It is an arithmetic number, because the mean of its divisors is an integer number (450059460).

Almost surely, 2^2430321057 is an apocalyptic number.

2430321057 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2430321057 is a deficient number, since it is larger than the sum of its proper divisors (1170154623).

2430321057 is an equidigital number, since it uses as much as digits as its factorization.

2430321057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90011900 (or 90011894 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2430321057 is about 49298.2865523742. The cubic root of 2430321057 is about 1344.4806306751.

Adding to 2430321057 its reverse (7501230342), we get a palindrome (9931551399).

The spelling of 2430321057 in words is "two billion, four hundred thirty million, three hundred twenty-one thousand, fifty-seven".