7421357369 has 2 divisors, whose sum is σ = 7421357370. Its totient is φ = 7421357368.

The previous prime is 7421357351. The next prime is 7421357381. The reversal of 7421357369 is 9637531247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3768363769 + 3652993600 = 61387^2 + 60440^2 .

It is a cyclic number.

It is not a de Polignac number, because 7421357369 - 2²⁸ = 7152921913 is a prime.

It is a super-2 number, since 2×7421357369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7421357869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710678684 + 3710678685.

It is an arithmetic number, because the mean of its divisors is an integer number (3710678685).

Almost surely, 2^7421357369 is an apocalyptic number.

It is an amenable number.

7421357369 is a deficient number, since it is larger than the sum of its proper divisors (1).

7421357369 is an equidigital number, since it uses as much as digits as its factorization.

7421357369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 47.

The square root of 7421357369 is about 86147.3004162057. The cubic root of 7421357369 is about 1950.5680894913.

The spelling of 7421357369 in words is "seven billion, four hundred twenty-one million, three hundred fifty-seven thousand, three hundred sixty-nine".