2409086851 has 4 divisors (see below), whose sum is σ = 2419083304. Its totient is φ = 2399090400.

The previous prime is 2409086837. The next prime is 2409086873. The reversal of 2409086851 is 1586809042.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2409086851 - 2¹⁵ = 2409054083 is a prime.

It is a super-2 number, since 2×2409086851² = 11607398911322192402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2409086798 and 2409086807.

It is not an unprimeable number, because it can be changed into a prime (2409086821) 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, 4997865 + ... + 4998346.

It is an arithmetic number, because the mean of its divisors is an integer number (604770826).

Almost surely, 2^2409086851 is an apocalyptic number.

2409086851 is a deficient number, since it is larger than the sum of its proper divisors (9996453).

2409086851 is an equidigital number, since it uses as much as digits as its factorization.

2409086851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9996452.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 2409086851 is about 49082.4495211883. The cubic root of 2409086851 is about 1340.5535047214.

The spelling of 2409086851 in words is "two billion, four hundred nine million, eighty-six thousand, eight hundred fifty-one".