541243342099 has 4 divisors (see below), whose sum is σ = 541245924400. Its totient is φ = 541240759800.

The previous prime is 541243342097. The next prime is 541243342121. The reversal of 541243342099 is 990243342145.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990243342145 = 5 ⋅198048668429.

It is a cyclic number.

It is not a de Polignac number, because 541243342099 - 2¹ = 541243342097 is a prime.

It is a super-4 number, since 4×541243342099⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541243342097) 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, 945999 + ... + 1406200.

It is an arithmetic number, because the mean of its divisors is an integer number (135311481100).

Almost surely, 2^541243342099 is an apocalyptic number.

541243342099 is a deficient number, since it is larger than the sum of its proper divisors (2582301).

541243342099 is a wasteful number, since it uses less digits than its factorization.

541243342099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582300.

The product of its (nonzero) digits is 933120, while the sum is 46.

Adding to 541243342099 its sum of digits (46), we get a palindrome (541243342145).

The spelling of 541243342099 in words is "five hundred forty-one billion, two hundred forty-three million, three hundred forty-two thousand, ninety-nine".