540541140949 has 2 divisors, whose sum is σ = 540541140950. Its totient is φ = 540541140948.

The previous prime is 540541140929. The next prime is 540541140967. The reversal of 540541140949 is 949041145045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513720528049 + 26820612900 = 716743^2 + 163770^2 .

It is a cyclic number.

It is not a de Polignac number, because 540541140949 - 2²³ = 540532752341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 540541140899 and 540541140908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540541140929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270270570474 + 270270570475.

It is an arithmetic number, because the mean of its divisors is an integer number (270270570475).

Almost surely, 2^540541140949 is an apocalyptic number.

It is an amenable number.

540541140949 is a deficient number, since it is larger than the sum of its proper divisors (1).

540541140949 is an equidigital number, since it uses as much as digits as its factorization.

540541140949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 540541140949 in words is "five hundred forty billion, five hundred forty-one million, one hundred forty thousand, nine hundred forty-nine".