2551454193197 has 8 divisors (see below), whose sum is σ = 3140251314816. Its totient is φ = 2018732987952.

The previous prime is 2551454193193. The next prime is 2551454193283. The reversal of 2551454193197 is 7913914541552.

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

It is a cyclic number.

It is not a de Polignac number, because 2551454193197 - 2² = 2551454193193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551454193193) 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, 14018978993 + ... + 14018979174.

It is an arithmetic number, because the mean of its divisors is an integer number (392531414352).

Almost surely, 2^{2551454193197} is an apocalyptic number.

It is an amenable number.

2551454193197 is a deficient number, since it is larger than the sum of its proper divisors (588797121619).

2551454193197 is a wasteful number, since it uses less digits than its factorization.

2551454193197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28037958187.

The product of its digits is 6804000, while the sum is 56.

The spelling of 2551454193197 in words is "two trillion, five hundred fifty-one billion, four hundred fifty-four million, one hundred ninety-three thousand, one hundred ninety-seven".