540999699 has 4 divisors (see below), whose sum is σ = 721332936. Its totient is φ = 360666464.

The previous prime is 540999691. The next prime is 540999709. The reversal of 540999699 is 996999045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 540999699 - 2³ = 540999691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540999691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90166614 + ... + 90166619.

It is an arithmetic number, because the mean of its divisors is an integer number (180333234).

Almost surely, 2^540999699 is an apocalyptic number.

540999699 is a deficient number, since it is larger than the sum of its proper divisors (180333237).

540999699 is a wasteful number, since it uses less digits than its factorization.

540999699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180333236.

The product of its (nonzero) digits is 7085880, while the sum is 60.

The square root of 540999699 is about 23259.4002287247. The cubic root of 540999699 is about 814.8274938191.

The spelling of 540999699 in words is "five hundred forty million, nine hundred ninety-nine thousand, six hundred ninety-nine".