2662265549 has 2 divisors, whose sum is σ = 2662265550. Its totient is φ = 2662265548.

The previous prime is 2662265537. The next prime is 2662265591. The reversal of 2662265549 is 9455622662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2068612324 + 593653225 = 45482^2 + 24365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2662265549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2662265449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331132774 + 1331132775.

It is an arithmetic number, because the mean of its divisors is an integer number (1331132775).

Almost surely, 2^2662265549 is an apocalyptic number.

It is an amenable number.

2662265549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2662265549 is an equidigital number, since it uses as much as digits as its factorization.

2662265549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 47.

The square root of 2662265549 is about 51597.1467137477. The cubic root of 2662265549 is about 1385.9592374808.

The spelling of 2662265549 in words is "two billion, six hundred sixty-two million, two hundred sixty-five thousand, five hundred forty-nine".