281040762047 has 2 divisors, whose sum is σ = 281040762048. Its totient is φ = 281040762046.

The previous prime is 281040762043. The next prime is 281040762091. The reversal of 281040762047 is 740267040182.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 281040762047 - 2² = 281040762043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 281040761995 and 281040762013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (281040762043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140520381023 + 140520381024.

It is an arithmetic number, because the mean of its divisors is an integer number (140520381024).

Almost surely, 2^281040762047 is an apocalyptic number.

281040762047 is a deficient number, since it is larger than the sum of its proper divisors (1).

281040762047 is an equidigital number, since it uses as much as digits as its factorization.

281040762047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528, while the sum is 41.

The spelling of 281040762047 in words is "two hundred eighty-one billion, forty million, seven hundred sixty-two thousand, forty-seven".