2461430021 has 2 divisors, whose sum is σ = 2461430022. Its totient is φ = 2461430020.

The previous prime is 2461429991. The next prime is 2461430057. The reversal of 2461430021 is 1200341642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2363320996 + 98109025 = 48614^2 + 9905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2461430021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2461430821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1230715010 + 1230715011.

It is an arithmetic number, because the mean of its divisors is an integer number (1230715011).

Almost surely, 2^2461430021 is an apocalyptic number.

It is an amenable number.

2461430021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2461430021 is an equidigital number, since it uses as much as digits as its factorization.

2461430021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2461430021 is about 49612.8009791828. The cubic root of 2461430021 is about 1350.1929346569.

Adding to 2461430021 its reverse (1200341642), we get a palindrome (3661771663).

The spelling of 2461430021 in words is "two billion, four hundred sixty-one million, four hundred thirty thousand, twenty-one".