2421626453 has 2 divisors, whose sum is σ = 2421626454. Its totient is φ = 2421626452.

The previous prime is 2421626393. The next prime is 2421626477. The reversal of 2421626453 is 3546261242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1889032369 + 532594084 = 43463^2 + 23078^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421626453 - 2¹⁰ = 2421625429 is a prime.

It is a super-2 number, since 2×2421626453² = 11728549355738722418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421626483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210813226 + 1210813227.

It is an arithmetic number, because the mean of its divisors is an integer number (1210813227).

Almost surely, 2^2421626453 is an apocalyptic number.

It is an amenable number.

2421626453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421626453 is an equidigital number, since it uses as much as digits as its factorization.

2421626453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 35.

The square root of 2421626453 is about 49210.0239077365. The cubic root of 2421626453 is about 1342.8753976797.

Adding to 2421626453 its reverse (3546261242), we get a palindrome (5967887695).

The spelling of 2421626453 in words is "two billion, four hundred twenty-one million, six hundred twenty-six thousand, four hundred fifty-three".