2309860463851 has 4 divisors (see below), whose sum is σ = 2309876747752. Its totient is φ = 2309844179952.

The previous prime is 2309860463849. The next prime is 2309860463857. The reversal of 2309860463851 is 1583640689032.

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 2309860463851 - 2¹ = 2309860463849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2309860463792 and 2309860463801.

It is not an unprimeable number, because it can be changed into a prime (2309860463857) 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, 7927290 + ... + 8213503.

It is an arithmetic number, because the mean of its divisors is an integer number (577469186938).

Almost surely, 2^{2309860463851} is an apocalyptic number.

2309860463851 is a deficient number, since it is larger than the sum of its proper divisors (16283901).

2309860463851 is a wasteful number, since it uses less digits than its factorization.

2309860463851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16283900.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 2309860463851 in words is "two trillion, three hundred nine billion, eight hundred sixty million, four hundred sixty-three thousand, eight hundred fifty-one".