505051699 has 2 divisors, whose sum is σ = 505051700. Its totient is φ = 505051698.

The previous prime is 505051639. The next prime is 505051717. The reversal of 505051699 is 996150505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505051699 - 2¹⁷ = 504920627 is a prime.

It is not a weakly prime, because it can be changed into another prime (505051639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252525849 + 252525850.

It is an arithmetic number, because the mean of its divisors is an integer number (252525850).

Almost surely, 2^505051699 is an apocalyptic number.

505051699 is a deficient number, since it is larger than the sum of its proper divisors (1).

505051699 is an equidigital number, since it uses as much as digits as its factorization.

505051699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60750, while the sum is 40.

The square root of 505051699 is about 22473.3553124584. The cubic root of 505051699 is about 796.3645980691.

The spelling of 505051699 in words is "five hundred five million, fifty-one thousand, six hundred ninety-nine".