2618406345 has 8 divisors (see below), whose sum is σ = 4189450176. Its totient is φ = 1396483376.

The previous prime is 2618406341. The next prime is 2618406347. The reversal of 2618406345 is 5436048162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2618406345 - 2² = 2618406341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2618406341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87280197 + ... + 87280226.

It is an arithmetic number, because the mean of its divisors is an integer number (523681272).

Almost surely, 2^2618406345 is an apocalyptic number.

It is an amenable number.

2618406345 is a deficient number, since it is larger than the sum of its proper divisors (1571043831).

2618406345 is a wasteful number, since it uses less digits than its factorization.

2618406345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174560431.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 2618406345 is about 51170.3658869076. The cubic root of 2618406345 is about 1378.3061106068.

The spelling of 2618406345 in words is "two billion, six hundred eighteen million, four hundred six thousand, three hundred forty-five".