2197852173937 has 8 divisors (see below), whose sum is σ = 2514129171776. Its totient is φ = 1882149705072.

The previous prime is 2197852173931. The next prime is 2197852173967. The reversal of 2197852173937 is 7393712587912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2197852173937 - 2³ = 2197852173929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2197852173931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143624043 + ... + 143639344.

It is an arithmetic number, because the mean of its divisors is an integer number (314266146472).

Almost surely, 2^{2197852173937} is an apocalyptic number.

It is an amenable number.

2197852173937 is a deficient number, since it is larger than the sum of its proper divisors (316276997839).

2197852173937 is a wasteful number, since it uses less digits than its factorization.

2197852173937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287264487.

The product of its digits is 40007520, while the sum is 64.

The spelling of 2197852173937 in words is "two trillion, one hundred ninety-seven billion, eight hundred fifty-two million, one hundred seventy-three thousand, nine hundred thirty-seven".