25783941345 has 32 divisors (see below), whose sum is σ = 42108733440. Its totient is φ = 13468351680.

The previous prime is 25783941341. The next prime is 25783941353. The reversal of 25783941345 is 54314938752.

It is not a de Polignac number, because 25783941345 - 2² = 25783941341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25783941341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186082 + ... + 293588.

It is an arithmetic number, because the mean of its divisors is an integer number (1315897920).

Almost surely, 2^25783941345 is an apocalyptic number.

It is an amenable number.

25783941345 is a deficient number, since it is larger than the sum of its proper divisors (16324792095).

25783941345 is a wasteful number, since it uses less digits than its factorization.

25783941345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107845.

The product of its digits is 3628800, while the sum is 51.

The spelling of 25783941345 in words is "twenty-five billion, seven hundred eighty-three million, nine hundred forty-one thousand, three hundred forty-five".