2542343243501 has 16 divisors (see below), whose sum is σ = 2629673553408. Its totient is φ = 2455347038400.

The previous prime is 2542343243483. The next prime is 2542343243543. The reversal of 2542343243501 is 1053423432452.

It is a cyclic number.

It is not a de Polignac number, because 2542343243501 - 2⁶ = 2542343243437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542343243591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133537955 + ... + 133556991.

It is an arithmetic number, because the mean of its divisors is an integer number (164354597088).

Almost surely, 2^{2542343243501} is an apocalyptic number.

It is an amenable number.

2542343243501 is a deficient number, since it is larger than the sum of its proper divisors (87330309907).

2542343243501 is a wasteful number, since it uses less digits than its factorization.

2542343243501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27572.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 2542343243501 its reverse (1053423432452), we get a palindrome (3595766675953).

The spelling of 2542343243501 in words is "two trillion, five hundred forty-two billion, three hundred forty-three million, two hundred forty-three thousand, five hundred one".