3115478299 has 2 divisors, whose sum is σ = 3115478300. Its totient is φ = 3115478298.

The previous prime is 3115478297. The next prime is 3115478339. The reversal of 3115478299 is 9928745113.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3115478299 - 2¹ = 3115478297 is a prime.

Together with 3115478297, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3115478297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1557739149 + 1557739150.

It is an arithmetic number, because the mean of its divisors is an integer number (1557739150).

Almost surely, 2^3115478299 is an apocalyptic number.

3115478299 is a deficient number, since it is larger than the sum of its proper divisors (1).

3115478299 is an equidigital number, since it uses as much as digits as its factorization.

3115478299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 49.

The square root of 3115478299 is about 55816.4697826726. The cubic root of 3115478299 is about 1460.5224718863.

The spelling of 3115478299 in words is "three billion, one hundred fifteen million, four hundred seventy-eight thousand, two hundred ninety-nine".