281355808007 has 2 divisors, whose sum is σ = 281355808008. Its totient is φ = 281355808006.

The previous prime is 281355807871. The next prime is 281355808049. The reversal of 281355808007 is 700808553182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 281355808007 - 2¹⁰ = 281355806983 is a prime.

It is a super-2 number, since 2×281355808007² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (281355804007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140677904003 + 140677904004.

It is an arithmetic number, because the mean of its divisors is an integer number (140677904004).

Almost surely, 2^281355808007 is an apocalyptic number.

281355808007 is a deficient number, since it is larger than the sum of its proper divisors (1).

281355808007 is an equidigital number, since it uses as much as digits as its factorization.

281355808007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 281355808007 in words is "two hundred eighty-one billion, three hundred fifty-five million, eight hundred eight thousand, seven".