197936860450 has 48 divisors (see below), whose sum is σ = 421949422080. Its totient is φ = 67671774720.

The previous prime is 197936860411. The next prime is 197936860453. The reversal of 197936860450 is 54068639791.

197936860450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (197936860453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 677490 + ... + 924589.

It is an arithmetic number, because the mean of its divisors is an integer number (8790612960).

Almost surely, 2^197936860450 is an apocalyptic number.

197936860450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197936860450 is an abundant number, since it is smaller than the sum of its proper divisors (224012561630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197936860450 is a wasteful number, since it uses less digits than its factorization.

197936860450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602451 (or 1602446 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 197936860450 in words is "one hundred ninety-seven billion, nine hundred thirty-six million, eight hundred sixty thousand, four hundred fifty".