4542247137781 has 8 divisors (see below), whose sum is σ = 4746771874944. Its totient is φ = 4342217449920.

The previous prime is 4542247137749. The next prime is 4542247137803. The reversal of 4542247137781 is 1877317422454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4542247137781 - 2⁵ = 4542247137749 is a prime.

It is a super-2 number, since 2×4542247137781² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542247135781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1123760260 + ... + 1123764301.

It is an arithmetic number, because the mean of its divisors is an integer number (593346484368).

Almost surely, 2^{4542247137781} is an apocalyptic number.

It is an amenable number.

4542247137781 is a deficient number, since it is larger than the sum of its proper divisors (204524737163).

4542247137781 is a wasteful number, since it uses less digits than its factorization.

4542247137781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247524651.

The product of its digits is 10536960, while the sum is 55.

The spelling of 4542247137781 in words is "four trillion, five hundred forty-two billion, two hundred forty-seven million, one hundred thirty-seven thousand, seven hundred eighty-one".