2764540217 has 4 divisors (see below), whose sum is σ = 2859869220. Its totient is φ = 2669211216.

The previous prime is 2764540201. The next prime is 2764540237. The reversal of 2764540217 is 7120454672.

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 1718599936 + 1045940281 = 41456^2 + 32341^2 .

It is a cyclic number.

It is not a de Polignac number, because 2764540217 - 2⁴ = 2764540201 is a prime.

It is a super-2 number, since 2×2764540217² = 15285365222820814178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2764540237) 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, 47664458 + ... + 47664515.

It is an arithmetic number, because the mean of its divisors is an integer number (714967305).

Almost surely, 2^2764540217 is an apocalyptic number.

It is an amenable number.

2764540217 is a deficient number, since it is larger than the sum of its proper divisors (95329003).

2764540217 is an equidigital number, since it uses as much as digits as its factorization.

2764540217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95329002.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 2764540217 is about 52578.8951671676. The cubic root of 2764540217 is about 1403.4845540475.

Adding to 2764540217 its reverse (7120454672), we get a palindrome (9884994889).

The spelling of 2764540217 in words is "two billion, seven hundred sixty-four million, five hundred forty thousand, two hundred seventeen".