481287137393 has 2 divisors, whose sum is σ = 481287137394. Its totient is φ = 481287137392.

The previous prime is 481287137341. The next prime is 481287137447. The reversal of 481287137393 is 393731782184.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 399200303329 + 82086834064 = 631823^2 + 286508^2 .

It is a cyclic number.

It is not a de Polignac number, because 481287137393 - 2²⁴ = 481270360177 is a prime.

It is not a weakly prime, because it can be changed into another prime (481287137323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240643568696 + 240643568697.

It is an arithmetic number, because the mean of its divisors is an integer number (240643568697).

Almost surely, 2^481287137393 is an apocalyptic number.

It is an amenable number.

481287137393 is a deficient number, since it is larger than the sum of its proper divisors (1).

481287137393 is an equidigital number, since it uses as much as digits as its factorization.

481287137393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 56.

The spelling of 481287137393 in words is "four hundred eighty-one billion, two hundred eighty-seven million, one hundred thirty-seven thousand, three hundred ninety-three".