2345986395651 has 4 divisors (see below), whose sum is σ = 3127981860872. Its totient is φ = 1563990930432.

The previous prime is 2345986395647. The next prime is 2345986395689. The reversal of 2345986395651 is 1565936895432.

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

It is not a de Polignac number, because 2345986395651 - 2² = 2345986395647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2345986394651) 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, 390997732606 + ... + 390997732611.

It is an arithmetic number, because the mean of its divisors is an integer number (781995465218).

Almost surely, 2^{2345986395651} is an apocalyptic number.

2345986395651 is a deficient number, since it is larger than the sum of its proper divisors (781995465221).

2345986395651 is an equidigital number, since it uses as much as digits as its factorization.

2345986395651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781995465220.

The product of its digits is 209952000, while the sum is 66.

The spelling of 2345986395651 in words is "two trillion, three hundred forty-five billion, nine hundred eighty-six million, three hundred ninety-five thousand, six hundred fifty-one".