2640277765033 has 2 divisors, whose sum is σ = 2640277765034. Its totient is φ = 2640277765032.

The previous prime is 2640277764979. The next prime is 2640277765043. The reversal of 2640277765033 is 3305677720462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1897307895184 + 742969869849 = 1377428^2 + 861957^2 .

It is a cyclic number.

It is not a de Polignac number, because 2640277765033 - 2⁹ = 2640277764521 is a prime.

It is not a weakly prime, because it can be changed into another prime (2640277765043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320138882516 + 1320138882517.

It is an arithmetic number, because the mean of its divisors is an integer number (1320138882517).

Almost surely, 2^{2640277765033} is an apocalyptic number.

It is an amenable number.

2640277765033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2640277765033 is an equidigital number, since it uses as much as digits as its factorization.

2640277765033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8890560, while the sum is 52.

The spelling of 2640277765033 in words is "two trillion, six hundred forty billion, two hundred seventy-seven million, seven hundred sixty-five thousand, thirty-three".