2697583421 has 8 divisors (see below), whose sum is σ = 2915432184. Its totient is φ = 2481212160.

The previous prime is 2697583411. The next prime is 2697583423. The reversal of 2697583421 is 1243857962.

It can be written as a sum of positive squares in 4 ways, for example, as 993132196 + 1704451225 = 31514^2 + 41285^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2697583421 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 (2697583423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365576 + ... + 372881.

It is an arithmetic number, because the mean of its divisors is an integer number (364429023).

Almost surely, 2^2697583421 is an apocalyptic number.

It is an amenable number.

2697583421 is a deficient number, since it is larger than the sum of its proper divisors (217848763).

2697583421 is a wasteful number, since it uses less digits than its factorization.

2697583421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738751.

The product of its digits is 725760, while the sum is 47.

The square root of 2697583421 is about 51938.2654793169. The cubic root of 2697583421 is about 1392.0610902982.

The spelling of 2697583421 in words is "two billion, six hundred ninety-seven million, five hundred eighty-three thousand, four hundred twenty-one".