540943541097 has 4 divisors (see below), whose sum is σ = 721258054800. Its totient is φ = 360629027396.

The previous prime is 540943541077. The next prime is 540943541101. The reversal of 540943541097 is 790145349045.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 540943541097 - 2²² = 540939346793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540943541077) 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, 90157256847 + ... + 90157256852.

It is an arithmetic number, because the mean of its divisors is an integer number (180314513700).

Almost surely, 2^540943541097 is an apocalyptic number.

It is an amenable number.

540943541097 is a deficient number, since it is larger than the sum of its proper divisors (180314513703).

540943541097 is a wasteful number, since it uses less digits than its factorization.

540943541097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180314513702.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 540943541097 in words is "five hundred forty billion, nine hundred forty-three million, five hundred forty-one thousand, ninety-seven".