542695949041 has 3 divisors (see below), whose sum is σ = 542696685721. Its totient is φ = 542695212362.

The previous prime is 542695949039. The next prime is 542695949069. The reversal of 542695949041 is 140949596245.

The square root of 542695949041 is 736679.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 542695949041 - 2¹ = 542695949039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542695940041) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 368340 + ... + 1105018.

Almost surely, 2^542695949041 is an apocalyptic number.

542695949041 is the 736679-th square number.

542695949041 is the 368340-th centered octagonal number.

It is an amenable number.

542695949041 is a deficient number, since it is larger than the sum of its proper divisors (736680).

542695949041 is an frugal number, since it uses more digits than its factorization.

542695949041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473358 (or 736679 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 58.

The spelling of 542695949041 in words is "five hundred forty-two billion, six hundred ninety-five million, nine hundred forty-nine thousand, forty-one".