7370010407821 has 2 divisors, whose sum is σ = 7370010407822. Its totient is φ = 7370010407820.

The previous prime is 7370010407717. The next prime is 7370010407857. The reversal of 7370010407821 is 1287040100737.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4142547855625 + 3227462552196 = 2035325^2 + 1796514^2 .

It is an emirp because it is prime and its reverse (1287040100737) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7370010407821 - 2⁷ = 7370010407693 is a prime.

It is a super-2 number, since 2×7370010407821² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7370010407891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3685005203910 + 3685005203911.

It is an arithmetic number, because the mean of its divisors is an integer number (3685005203911).

Almost surely, 2^{7370010407821} is an apocalyptic number.

It is an amenable number.

7370010407821 is a deficient number, since it is larger than the sum of its proper divisors (1).

7370010407821 is an equidigital number, since it uses as much as digits as its factorization.

7370010407821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65856, while the sum is 40.

The spelling of 7370010407821 in words is "seven trillion, three hundred seventy billion, ten million, four hundred seven thousand, eight hundred twenty-one".