7463556242221 has 2 divisors, whose sum is σ = 7463556242222. Its totient is φ = 7463556242220.

The previous prime is 7463556242189. The next prime is 7463556242293. The reversal of 7463556242221 is 1222426553647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7107630648196 + 355925594025 = 2666014^2 + 596595^2 .

It is a cyclic number.

It is not a de Polignac number, because 7463556242221 - 2⁵ = 7463556242189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7463556248221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3731778121110 + 3731778121111.

It is an arithmetic number, because the mean of its divisors is an integer number (3731778121111).

Almost surely, 2^{7463556242221} is an apocalyptic number.

It is an amenable number.

7463556242221 is a deficient number, since it is larger than the sum of its proper divisors (1).

7463556242221 is an equidigital number, since it uses as much as digits as its factorization.

7463556242221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4838400, while the sum is 49.

The spelling of 7463556242221 in words is "seven trillion, four hundred sixty-three billion, five hundred fifty-six million, two hundred forty-two thousand, two hundred twenty-one".