198625827371359 has 2 divisors, whose sum is σ = 198625827371360. Its totient is φ = 198625827371358.

The previous prime is 198625827371161. The next prime is 198625827371371. The reversal of 198625827371359 is 953173728526891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 198625827371359 - 2⁹ = 198625827370847 is a prime.

It is a super-2 number, since 2×198625827371359² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198625827371159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99312913685679 + 99312913685680.

It is an arithmetic number, because the mean of its divisors is an integer number (99312913685680).

Almost surely, 2^{198625827371359} is an apocalyptic number.

198625827371359 is a deficient number, since it is larger than the sum of its proper divisors (1).

198625827371359 is an equidigital number, since it uses as much as digits as its factorization.

198625827371359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1371686400, while the sum is 76.

The spelling of 198625827371359 in words is "one hundred ninety-eight trillion, six hundred twenty-five billion, eight hundred twenty-seven million, three hundred seventy-one thousand, three hundred fifty-nine".