2412416621 has 4 divisors (see below), whose sum is σ = 2490236544. Its totient is φ = 2334596700.

The previous prime is 2412416579. The next prime is 2412416623. The reversal of 2412416621 is 1266142142.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1266142142 = 2 ⋅633071071.

It is a cyclic number.

It is not a de Polignac number, because 2412416621 - 2⁶ = 2412416557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2412416623) 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, 38909915 + ... + 38909976.

It is an arithmetic number, because the mean of its divisors is an integer number (622559136).

Almost surely, 2^2412416621 is an apocalyptic number.

It is an amenable number.

2412416621 is a deficient number, since it is larger than the sum of its proper divisors (77819923).

2412416621 is an equidigital number, since it uses as much as digits as its factorization.

2412416621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77819922.

The product of its digits is 4608, while the sum is 29.

The square root of 2412416621 is about 49116.3579777654. The cubic root of 2412416621 is about 1341.1708451148.

Adding to 2412416621 its reverse (1266142142), we get a palindrome (3678558763).

The spelling of 2412416621 in words is "two billion, four hundred twelve million, four hundred sixteen thousand, six hundred twenty-one".