250041899897 has 2 divisors, whose sum is σ = 250041899898. Its totient is φ = 250041899896.

The previous prime is 250041899869. The next prime is 250041899917. The reversal of 250041899897 is 798998140052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245199270976 + 4842628921 = 495176^2 + 69589^2 .

It is a cyclic number.

It is not a de Polignac number, because 250041899897 - 2²⁸ = 249773464441 is a prime.

It is a super-2 number, since 2×250041899897² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (250041899837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125020949948 + 125020949949.

It is an arithmetic number, because the mean of its divisors is an integer number (125020949949).

Almost surely, 2^250041899897 is an apocalyptic number.

It is an amenable number.

250041899897 is a deficient number, since it is larger than the sum of its proper divisors (1).

250041899897 is an equidigital number, since it uses as much as digits as its factorization.

250041899897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 62.

The spelling of 250041899897 in words is "two hundred fifty billion, forty-one million, eight hundred ninety-nine thousand, eight hundred ninety-seven".