2207697117491 has 16 divisors (see below), whose sum is σ = 2392588845504. Its totient is φ = 2029472216064.

The previous prime is 2207697117469. The next prime is 2207697117517. The reversal of 2207697117491 is 1947117967022.

It is not a de Polignac number, because 2207697117491 - 2¹⁰ = 2207697116467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2207697117391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8507936 + ... + 8763581.

It is an arithmetic number, because the mean of its divisors is an integer number (149536802844).

Almost surely, 2^{2207697117491} is an apocalyptic number.

2207697117491 is a deficient number, since it is larger than the sum of its proper divisors (184891728013).

2207697117491 is a wasteful number, since it uses less digits than its factorization.

2207697117491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17271710.

The product of its (nonzero) digits is 2667168, while the sum is 56.

The spelling of 2207697117491 in words is "two trillion, two hundred seven billion, six hundred ninety-seven million, one hundred seventeen thousand, four hundred ninety-one".