50698619 has 2 divisors, whose sum is σ = 50698620. Its totient is φ = 50698618.

The previous prime is 50698589. The next prime is 50698639. The reversal of 50698619 is 91689605.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50698619 - 2⁸ = 50698363 is a prime.

It is a super-2 number, since 2×50698619² = 5140699937014322, which contains 22 as substring.

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 50698619.

It is not a weakly prime, because it can be changed into another prime (50698639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25349309 + 25349310.

It is an arithmetic number, because the mean of its divisors is an integer number (25349310).

Almost surely, 2^50698619 is an apocalyptic number.

50698619 is a deficient number, since it is larger than the sum of its proper divisors (1).

50698619 is an equidigital number, since it uses as much as digits as its factorization.

50698619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 50698619 is about 7120.2962719258. The cubic root of 50698619 is about 370.1110428823. Note that the first 3 decimals are identical.

The spelling of 50698619 in words is "fifty million, six hundred ninety-eight thousand, six hundred nineteen".