7413340021 has 2 divisors, whose sum is σ = 7413340022. Its totient is φ = 7413340020.

The previous prime is 7413340009. The next prime is 7413340069. The reversal of 7413340021 is 1200433147.

7413340021 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., 6418252996 + 995087025 = 80114^2 + 31545^2 .

It is a cyclic number.

It is not a de Polignac number, because 7413340021 - 2⁷ = 7413339893 is a prime.

It is a super-2 number, since 2×7413340021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7413340321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3706670010 + 3706670011.

It is an arithmetic number, because the mean of its divisors is an integer number (3706670011).

Almost surely, 2^7413340021 is an apocalyptic number.

It is an amenable number.

7413340021 is a deficient number, since it is larger than the sum of its proper divisors (1).

7413340021 is an equidigital number, since it uses as much as digits as its factorization.

7413340021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 7413340021 is about 86100.7550547613. The cubic root of 7413340021 is about 1949.8654319586.

Adding to 7413340021 its reverse (1200433147), we get a palindrome (8613773168).

The spelling of 7413340021 in words is "seven billion, four hundred thirteen million, three hundred forty thousand, twenty-one".