281039607005 has 8 divisors (see below), whose sum is σ = 339013223424. Its totient is φ = 223654555600.

The previous prime is 281039606993. The next prime is 281039607011. The reversal of 281039607005 is 500706930182.

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

It is not a de Polignac number, because 281039607005 - 2⁴ = 281039606989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147140201 + ... + 147142110.

It is an arithmetic number, because the mean of its divisors is an integer number (42376652928).

Almost surely, 2^281039607005 is an apocalyptic number.

It is an amenable number.

281039607005 is a deficient number, since it is larger than the sum of its proper divisors (57973616419).

281039607005 is a wasteful number, since it uses less digits than its factorization.

281039607005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294282507.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 281039607005 in words is "two hundred eighty-one billion, thirty-nine million, six hundred seven thousand, five".