7416240421 has 2 divisors, whose sum is σ = 7416240422. Its totient is φ = 7416240420.

The previous prime is 7416240409. The next prime is 7416240437. The reversal of 7416240421 is 1240426147.

7416240421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3892512100 + 3523728321 = 62390^2 + 59361^2 .

It is a cyclic number.

It is not a de Polignac number, because 7416240421 - 2⁵ = 7416240389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7416250421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3708120210 + 3708120211.

It is an arithmetic number, because the mean of its divisors is an integer number (3708120211).

Almost surely, 2^7416240421 is an apocalyptic number.

It is an amenable number.

7416240421 is a deficient number, since it is larger than the sum of its proper divisors (1).

7416240421 is an equidigital number, since it uses as much as digits as its factorization.

7416240421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 7416240421 is about 86117.5964655308. The cubic root of 7416240421 is about 1950.1196876788.

Adding to 7416240421 its reverse (1240426147), we get a palindrome (8656666568).

The spelling of 7416240421 in words is "seven billion, four hundred sixteen million, two hundred forty thousand, four hundred twenty-one".