2542366451017 has 4 divisors (see below), whose sum is σ = 2542616276116. Its totient is φ = 2542116625920.

The previous prime is 2542366451003. The next prime is 2542366451083. The reversal of 2542366451017 is 7101546632452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1389107388816 + 1153259062201 = 1178604^2 + 1073899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2542366451017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542366455017) 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, 124897284 + ... + 124917637.

It is an arithmetic number, because the mean of its divisors is an integer number (635654069029).

Almost surely, 2^{2542366451017} is an apocalyptic number.

It is an amenable number.

2542366451017 is a deficient number, since it is larger than the sum of its proper divisors (249825099).

2542366451017 is a wasteful number, since it uses less digits than its factorization.

2542366451017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249825098.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 2542366451017 in words is "two trillion, five hundred forty-two billion, three hundred sixty-six million, four hundred fifty-one thousand, seventeen".