5243100285981 has 8 divisors (see below), whose sum is σ = 6991989114304. Its totient is φ = 3494805824160.

The previous prime is 5243100285953. The next prime is 5243100285991. The reversal of 5243100285981 is 1895820013425.

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

It is not a de Polignac number, because 5243100285981 - 2²² = 5243096091677 is a prime.

It is a super-2 number, since 2×5243100285981² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5243100285981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5243100285991) 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, 148571041 + ... + 148606326.

It is an arithmetic number, because the mean of its divisors is an integer number (873998639288).

Almost surely, 2^{5243100285981} is an apocalyptic number.

It is an amenable number.

5243100285981 is a deficient number, since it is larger than the sum of its proper divisors (1748888828323).

5243100285981 is a wasteful number, since it uses less digits than its factorization.

5243100285981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297183251.

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 5243100285981 in words is "five trillion, two hundred forty-three billion, one hundred million, two hundred eighty-five thousand, nine hundred eighty-one".