2731461697 has 4 divisors (see below), whose sum is σ = 2798082756. Its totient is φ = 2664840640.

The previous prime is 2731461683. The next prime is 2731461701. The reversal of 2731461697 is 7961641372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 488586816 + 2242874881 = 22104^2 + 47359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2731461697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2731461637) 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, 33310468 + ... + 33310549.

It is an arithmetic number, because the mean of its divisors is an integer number (699520689).

Almost surely, 2^2731461697 is an apocalyptic number.

It is an amenable number.

2731461697 is a deficient number, since it is larger than the sum of its proper divisors (66621059).

2731461697 is an equidigital number, since it uses as much as digits as its factorization.

2731461697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66621058.

The product of its digits is 381024, while the sum is 46.

The square root of 2731461697 is about 52263.3877298439. The cubic root of 2731461697 is about 1397.8643794327.

The spelling of 2731461697 in words is "two billion, seven hundred thirty-one million, four hundred sixty-one thousand, six hundred ninety-seven".