2697217054397 has 8 divisors (see below), whose sum is σ = 2701450177656. Its totient is φ = 2692984246272.

The previous prime is 2697217054381. The next prime is 2697217054459. The reversal of 2697217054397 is 7934507127962.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 695857940761 + 2001359113636 = 834181^2 + 1414694^2 .

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 2697217054397 - 2⁴ = 2697217054381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2697217054297) 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, 21785693 + ... + 21909149.

It is an arithmetic number, because the mean of its divisors is an integer number (337681272207).

Almost surely, 2^{2697217054397} is an apocalyptic number.

It is an amenable number.

2697217054397 is a deficient number, since it is larger than the sum of its proper divisors (4233123259).

2697217054397 is a wasteful number, since it uses less digits than its factorization.

2697217054397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157567.

The product of its (nonzero) digits is 40007520, while the sum is 62.

The spelling of 2697217054397 in words is "two trillion, six hundred ninety-seven billion, two hundred seventeen million, fifty-four thousand, three hundred ninety-seven".