1282694397097 has 4 divisors (see below), whose sum is σ = 1309985767296. Its totient is φ = 1255403026900.

The previous prime is 1282694397001. The next prime is 1282694397119. The reversal of 1282694397097 is 7907934962821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1282694397097 - 2¹¹ = 1282694395049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1282695397097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13645685029 + ... + 13645685122.

It is an arithmetic number, because the mean of its divisors is an integer number (327496441824).

Almost surely, 2^{1282694397097} is an apocalyptic number.

It is an amenable number.

1282694397097 is a deficient number, since it is larger than the sum of its proper divisors (27291370199).

1282694397097 is an equidigital number, since it uses as much as digits as its factorization.

1282694397097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27291370198.

The product of its (nonzero) digits is 82301184, while the sum is 67.

The spelling of 1282694397097 in words is "one trillion, two hundred eighty-two billion, six hundred ninety-four million, three hundred ninety-seven thousand, ninety-seven".