1040615899 has 2 divisors, whose sum is σ = 1040615900. Its totient is φ = 1040615898.

The previous prime is 1040615869. The next prime is 1040615909. The reversal of 1040615899 is 9985160401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1040615899 - 2¹³ = 1040607707 is a prime.

It is not a weakly prime, because it can be changed into another prime (1040615869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520307949 + 520307950.

It is an arithmetic number, because the mean of its divisors is an integer number (520307950).

Almost surely, 2^1040615899 is an apocalyptic number.

1040615899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040615899 is an equidigital number, since it uses as much as digits as its factorization.

1040615899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 1040615899 is about 32258.5786884667. The cubic root of 1040615899 is about 1013.3593655906.

The spelling of 1040615899 in words is "one billion, forty million, six hundred fifteen thousand, eight hundred ninety-nine".