197498195050931 has 2 divisors, whose sum is σ = 197498195050932. Its totient is φ = 197498195050930.

The previous prime is 197498195050889. The next prime is 197498195050973. The reversal of 197498195050931 is 139050591894791.

197498195050931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (197498195050889) and next prime (197498195050973).

It is a cyclic number.

It is not a de Polignac number, because 197498195050931 - 2⁶ = 197498195050867 is a prime.

It is a super-2 number, since 2×197498195050931² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (197498195050031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98749097525465 + 98749097525466.

It is an arithmetic number, because the mean of its divisors is an integer number (98749097525466).

Almost surely, 2^{197498195050931} is an apocalyptic number.

197498195050931 is a deficient number, since it is larger than the sum of its proper divisors (1).

197498195050931 is an equidigital number, since it uses as much as digits as its factorization.

197498195050931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110224800, while the sum is 71.

The spelling of 197498195050931 in words is "one hundred ninety-seven trillion, four hundred ninety-eight billion, one hundred ninety-five million, fifty thousand, nine hundred thirty-one".