2756920417 has 2 divisors, whose sum is σ = 2756920418. Its totient is φ = 2756920416.

The previous prime is 2756920403. The next prime is 2756920421. The reversal of 2756920417 is 7140296572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2623078656 + 133841761 = 51216^2 + 11569^2 .

It is a cyclic number.

It is not a de Polignac number, because 2756920417 - 2²⁷ = 2622702689 is a prime.

It is a super-2 number, since 2×2756920417² = 15201220371342907778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2756920457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378460208 + 1378460209.

It is an arithmetic number, because the mean of its divisors is an integer number (1378460209).

Almost surely, 2^2756920417 is an apocalyptic number.

It is an amenable number.

2756920417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2756920417 is an equidigital number, since it uses as much as digits as its factorization.

2756920417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 2756920417 is about 52506.3845355972. The cubic root of 2756920417 is about 1402.1939100047.

The spelling of 2756920417 in words is "two billion, seven hundred fifty-six million, nine hundred twenty thousand, four hundred seventeen".