350421531673 has 2 divisors, whose sum is σ = 350421531674. Its totient is φ = 350421531672.

The previous prime is 350421531667. The next prime is 350421531773. The reversal of 350421531673 is 376135124053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328974514969 + 21447016704 = 573563^2 + 146448^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-350421531673 is a prime.

It is not a weakly prime, because it can be changed into another prime (350421531773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175210765836 + 175210765837.

It is an arithmetic number, because the mean of its divisors is an integer number (175210765837).

Almost surely, 2^350421531673 is an apocalyptic number.

It is an amenable number.

350421531673 is a deficient number, since it is larger than the sum of its proper divisors (1).

350421531673 is an equidigital number, since it uses as much as digits as its factorization.

350421531673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 350421531673 in words is "three hundred fifty billion, four hundred twenty-one million, five hundred thirty-one thousand, six hundred seventy-three".