197419670409 has 16 divisors (see below), whose sum is σ = 283590381312. Its totient is φ = 121439321088.

The previous prime is 197419670381. The next prime is 197419670417. The reversal of 197419670409 is 904076914791.

It is not a de Polignac number, because 197419670409 - 2¹⁵ = 197419637641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197419670489) 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, 938904 + ... + 1129769.

It is an arithmetic number, because the mean of its divisors is an integer number (17724398832).

Almost surely, 2^197419670409 is an apocalyptic number.

It is an amenable number.

197419670409 is a deficient number, since it is larger than the sum of its proper divisors (86170710903).

197419670409 is a wasteful number, since it uses less digits than its factorization.

197419670409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071136.

The product of its (nonzero) digits is 3429216, while the sum is 57.

The spelling of 197419670409 in words is "one hundred ninety-seven billion, four hundred nineteen million, six hundred seventy thousand, four hundred nine".