347474481997 has 2 divisors, whose sum is σ = 347474481998. Its totient is φ = 347474481996.

The previous prime is 347474481973. The next prime is 347474482009. The reversal of 347474481997 is 799184474743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342305734761 + 5168747236 = 585069^2 + 71894^2 .

It is a cyclic number.

It is not a de Polignac number, because 347474481997 - 2⁷ = 347474481869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347474401997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173737240998 + 173737240999.

It is an arithmetic number, because the mean of its divisors is an integer number (173737240999).

Almost surely, 2^347474481997 is an apocalyptic number.

It is an amenable number.

347474481997 is a deficient number, since it is larger than the sum of its proper divisors (1).

347474481997 is an equidigital number, since it uses as much as digits as its factorization.

347474481997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170698752, while the sum is 67.

The spelling of 347474481997 in words is "three hundred forty-seven billion, four hundred seventy-four million, four hundred eighty-one thousand, nine hundred ninety-seven".