7403684243 has 2 divisors, whose sum is σ = 7403684244. Its totient is φ = 7403684242.

The previous prime is 7403684237. The next prime is 7403684251. The reversal of 7403684243 is 3424863047.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7403684243 - 2⁴ = 7403684227 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7403684243.

It is not a weakly prime, because it can be changed into another prime (7403684293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3701842121 + 3701842122.

It is an arithmetic number, because the mean of its divisors is an integer number (3701842122).

Almost surely, 2^7403684243 is an apocalyptic number.

7403684243 is a deficient number, since it is larger than the sum of its proper divisors (1).

7403684243 is an equidigital number, since it uses as much as digits as its factorization.

7403684243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 41.

The square root of 7403684243 is about 86044.6642331760. The cubic root of 7403684243 is about 1949.0185061112.

The spelling of 7403684243 in words is "seven billion, four hundred three million, six hundred eighty-four thousand, two hundred forty-three".