25294344043 has 2 divisors, whose sum is σ = 25294344044. Its totient is φ = 25294344042.

The previous prime is 25294343989. The next prime is 25294344059. The reversal of 25294344043 is 34044349252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25294344043 - 2¹³ = 25294335851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25294343987 and 25294344005.

It is not a weakly prime, because it can be changed into another prime (25294344083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12647172021 + 12647172022.

It is an arithmetic number, because the mean of its divisors is an integer number (12647172022).

Almost surely, 2^25294344043 is an apocalyptic number.

25294344043 is a deficient number, since it is larger than the sum of its proper divisors (1).

25294344043 is an equidigital number, since it uses as much as digits as its factorization.

25294344043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 25294344043 in words is "twenty-five billion, two hundred ninety-four million, three hundred forty-four thousand, forty-three".