197453074038 has 32 divisors (see below), whose sum is σ = 432655696512. Its totient is φ = 59577460800.

The previous prime is 197453074037. The next prime is 197453074051. The reversal of 197453074038 is 830470354791.

It is a happy number.

It is a super-3 number, since 3×197453074038³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197453074033) 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, 6404608 + ... + 6435363.

It is an arithmetic number, because the mean of its divisors is an integer number (13520490516).

Almost surely, 2^197453074038 is an apocalyptic number.

197453074038 is an abundant number, since it is smaller than the sum of its proper divisors (235202622474).

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

197453074038 is a wasteful number, since it uses less digits than its factorization.

197453074038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12840220.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 197453074038 in words is "one hundred ninety-seven billion, four hundred fifty-three million, seventy-four thousand, thirty-eight".