2421163501 has 2 divisors, whose sum is σ = 2421163502. Its totient is φ = 2421163500.

The previous prime is 2421163489. The next prime is 2421163531. The reversal of 2421163501 is 1053611242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1544411401 + 876752100 = 39299^2 + 29610^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421163501 - 2¹¹ = 2421161453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421163531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210581750 + 1210581751.

It is an arithmetic number, because the mean of its divisors is an integer number (1210581751).

Almost surely, 2^2421163501 is an apocalyptic number.

It is an amenable number.

2421163501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421163501 is an equidigital number, since it uses as much as digits as its factorization.

2421163501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2421163501 is about 49205.3198445046. The cubic root of 2421163501 is about 1342.7898179417.

Adding to 2421163501 its reverse (1053611242), we get a palindrome (3474774743).

The spelling of 2421163501 in words is "two billion, four hundred twenty-one million, one hundred sixty-three thousand, five hundred one".