2420623451 has 2 divisors, whose sum is σ = 2420623452. Its totient is φ = 2420623450.

The previous prime is 2420623441. The next prime is 2420623459. The reversal of 2420623451 is 1543260242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2420623451 is a prime.

It is a super-3 number, since 3×2420623451³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2420623459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210311725 + 1210311726.

It is an arithmetic number, because the mean of its divisors is an integer number (1210311726).

Almost surely, 2^2420623451 is an apocalyptic number.

2420623451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420623451 is an equidigital number, since it uses as much as digits as its factorization.

2420623451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2420623451 is about 49199.8318188182. The cubic root of 2420623451 is about 1342.6899723420.

Adding to 2420623451 its reverse (1543260242), we get a palindrome (3963883693).

The spelling of 2420623451 in words is "two billion, four hundred twenty million, six hundred twenty-three thousand, four hundred fifty-one".