350404654561 has 4 divisors (see below), whose sum is σ = 377358858772. Its totient is φ = 323450450352.

The previous prime is 350404654529. The next prime is 350404654681. The reversal of 350404654561 is 165456404053.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 232150512400 + 118254142161 = 481820^2 + 343881^2 .

It is a cyclic number.

It is not a de Polignac number, because 350404654561 - 2⁵ = 350404654529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (350404654861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13477102086 + ... + 13477102111.

It is an arithmetic number, because the mean of its divisors is an integer number (94339714693).

Almost surely, 2^350404654561 is an apocalyptic number.

It is an amenable number.

350404654561 is a deficient number, since it is larger than the sum of its proper divisors (26954204211).

350404654561 is a wasteful number, since it uses less digits than its factorization.

350404654561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26954204210.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 350404654561 in words is "three hundred fifty billion, four hundred four million, six hundred fifty-four thousand, five hundred sixty-one".