2642526673 has 2 divisors, whose sum is σ = 2642526674. Its totient is φ = 2642526672.

The previous prime is 2642526617. The next prime is 2642526703. The reversal of 2642526673 is 3766252462.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2324011264 + 318515409 = 48208^2 + 17847^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642526673 - 2¹³ = 2642518481 is a prime.

It is a super-3 number, since 3×2642526673³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2642556673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321263336 + 1321263337.

It is an arithmetic number, because the mean of its divisors is an integer number (1321263337).

Almost surely, 2^2642526673 is an apocalyptic number.

It is an amenable number.

2642526673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642526673 is an equidigital number, since it uses as much as digits as its factorization.

2642526673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 43.

The square root of 2642526673 is about 51405.5120877129. The cubic root of 2642526673 is about 1382.5254240948.

The spelling of 2642526673 in words is "two billion, six hundred forty-two million, five hundred twenty-six thousand, six hundred seventy-three".