281190084387713 has 4 divisors (see below), whose sum is σ = 281190578153520. Its totient is φ = 281189590621908.

The previous prime is 281190084387679. The next prime is 281190084387767. The reversal of 281190084387713 is 317783480091182.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 281190084387713 - 2²⁸ = 281189815952257 is a prime.

It is a super-2 number, since 2×281190084387713² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (281190084387313) 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, 246027695 + ... + 247167972.

It is an arithmetic number, because the mean of its divisors is an integer number (70297644538380).

Almost surely, 2^{281190084387713} is an apocalyptic number.

It is an amenable number.

281190084387713 is a deficient number, since it is larger than the sum of its proper divisors (493765807).

281190084387713 is an equidigital number, since it uses as much as digits as its factorization.

281190084387713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493765806.

The product of its (nonzero) digits is 16257024, while the sum is 62.

The spelling of 281190084387713 in words is "two hundred eighty-one trillion, one hundred ninety billion, eighty-four million, three hundred eighty-seven thousand, seven hundred thirteen".