540310330649 has 2 divisors, whose sum is σ = 540310330650. Its totient is φ = 540310330648.

The previous prime is 540310330643. The next prime is 540310330669. The reversal of 540310330649 is 946033013045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539137747600 + 1172583049 = 734260^2 + 34243^2 .

It is a cyclic number.

It is not a de Polignac number, because 540310330649 - 2⁸ = 540310330393 is a prime.

It is a super-2 number, since 2×540310330649² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (540310330643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270155165324 + 270155165325.

It is an arithmetic number, because the mean of its divisors is an integer number (270155165325).

Almost surely, 2^540310330649 is an apocalyptic number.

It is an amenable number.

540310330649 is a deficient number, since it is larger than the sum of its proper divisors (1).

540310330649 is an equidigital number, since it uses as much as digits as its factorization.

540310330649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 540310330649 in words is "five hundred forty billion, three hundred ten million, three hundred thirty thousand, six hundred forty-nine".