3318550457 has 4 divisors (see below), whose sum is σ = 3318785316. Its totient is φ = 3318315600.

The previous prime is 3318550441. The next prime is 3318550463. The reversal of 3318550457 is 7540558133.

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 1891902016 + 1426648441 = 43496^2 + 37771^2 .

It is a cyclic number.

It is not a de Polignac number, because 3318550457 - 2⁴ = 3318550441 is a prime.

It is a super-2 number, since 2×3318550457² = 22025554271309817698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3318553457) 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, 94778 + ... + 124979.

It is an arithmetic number, because the mean of its divisors is an integer number (829696329).

Almost surely, 2^3318550457 is an apocalyptic number.

It is an amenable number.

3318550457 is a deficient number, since it is larger than the sum of its proper divisors (234859).

3318550457 is a wasteful number, since it uses less digits than its factorization.

3318550457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234858.

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 3318550457 is about 57606.8611972567. The cubic root of 3318550457 is about 1491.5900412574.

The spelling of 3318550457 in words is "three billion, three hundred eighteen million, five hundred fifty thousand, four hundred fifty-seven".