3418308521 has 4 divisors (see below), whose sum is σ = 3497804112. Its totient is φ = 3338812932.

The previous prime is 3418308479. The next prime is 3418308559. The reversal of 3418308521 is 1258038143.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3418308521 - 2²² = 3414114217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3418308581) 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, 39747731 + ... + 39747816.

It is an arithmetic number, because the mean of its divisors is an integer number (874451028).

Almost surely, 2^3418308521 is an apocalyptic number.

It is an amenable number.

3418308521 is a deficient number, since it is larger than the sum of its proper divisors (79495591).

3418308521 is an equidigital number, since it uses as much as digits as its factorization.

3418308521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79495590.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 3418308521 is about 58466.3024399525. The cubic root of 3418308521 is about 1506.3888271439.

The spelling of 3418308521 in words is "three billion, four hundred eighteen million, three hundred eight thousand, five hundred twenty-one".