2303194746385 has 32 divisors (see below), whose sum is σ = 3162736577952. Its totient is φ = 1595075543040.

The previous prime is 2303194746367. The next prime is 2303194746431. The reversal of 2303194746385 is 5836474913032.

It is a happy number.

It is a Cunningham number, because it is equal to 1517628²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 957986797824 + 1345207948561 = 978768^2 + 1159831^2 .

It is not a de Polignac number, because 2303194746385 - 2⁵ = 2303194746353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3398284 + ... + 4019293.

It is an arithmetic number, because the mean of its divisors is an integer number (98835518061).

It is a 1-persistent number, because it is pandigital, but 2⋅2303194746385 = 4606389492770 is not.

Almost surely, 2^{2303194746385} is an apocalyptic number.

It is an amenable number.

2303194746385 is a deficient number, since it is larger than the sum of its proper divisors (859541831567).

2303194746385 is a wasteful number, since it uses less digits than its factorization.

2303194746385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7417893.

The product of its (nonzero) digits is 13063680, while the sum is 55.

The spelling of 2303194746385 in words is "two trillion, three hundred three billion, one hundred ninety-four million, seven hundred forty-six thousand, three hundred eighty-five".