350473401581 has 2 divisors, whose sum is σ = 350473401582. Its totient is φ = 350473401580.

The previous prime is 350473401571. The next prime is 350473401617. The reversal of 350473401581 is 185104374053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 302022788356 + 48450613225 = 549566^2 + 220115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-350473401581 is a prime.

It is a super-2 number, since 2×350473401581² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350473401571) 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, 175236700790 + 175236700791.

It is an arithmetic number, because the mean of its divisors is an integer number (175236700791).

Almost surely, 2^350473401581 is an apocalyptic number.

It is an amenable number.

350473401581 is a deficient number, since it is larger than the sum of its proper divisors (1).

350473401581 is an equidigital number, since it uses as much as digits as its factorization.

350473401581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 350473401581 in words is "three hundred fifty billion, four hundred seventy-three million, four hundred one thousand, five hundred eighty-one".