197699469541 has 16 divisors (see below), whose sum is σ = 241183733760. Its totient is φ = 158276810160.

The previous prime is 197699469493. The next prime is 197699469551. The reversal of 197699469541 is 145964996791.

It is not a de Polignac number, because 197699469541 - 2⁷ = 197699469413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197699469551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10458601 + ... + 10477486.

It is an arithmetic number, because the mean of its divisors is an integer number (15073983360).

Almost surely, 2^197699469541 is an apocalyptic number.

It is an amenable number.

197699469541 is a deficient number, since it is larger than the sum of its proper divisors (43484264219).

197699469541 is a wasteful number, since it uses less digits than its factorization.

197699469541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20936184.

The product of its digits is 132269760, while the sum is 70.

The spelling of 197699469541 in words is "one hundred ninety-seven billion, six hundred ninety-nine million, four hundred sixty-nine thousand, five hundred forty-one".