540312161959 has 2 divisors, whose sum is σ = 540312161960. Its totient is φ = 540312161958.

The previous prime is 540312161957. The next prime is 540312162037. The reversal of 540312161959 is 959161213045.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540312161959 - 2¹ = 540312161957 is a prime.

Together with 540312161957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540312161951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270156080979 + 270156080980.

It is an arithmetic number, because the mean of its divisors is an integer number (270156080980).

Almost surely, 2^540312161959 is an apocalyptic number.

540312161959 is a deficient number, since it is larger than the sum of its proper divisors (1).

540312161959 is an equidigital number, since it uses as much as digits as its factorization.

540312161959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 46.

The spelling of 540312161959 in words is "five hundred forty billion, three hundred twelve million, one hundred sixty-one thousand, nine hundred fifty-nine".