25463419741 has 2 divisors, whose sum is σ = 25463419742. Its totient is φ = 25463419740.

The previous prime is 25463419739. The next prime is 25463419777. The reversal of 25463419741 is 14791436452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23363122500 + 2100297241 = 152850^2 + 45829^2 .

It is a cyclic number.

It is not a de Polignac number, because 25463419741 - 2¹ = 25463419739 is a prime.

Together with 25463419739, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 25463419691 and 25463419700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25463419441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12731709870 + 12731709871.

It is an arithmetic number, because the mean of its divisors is an integer number (12731709871).

Almost surely, 2^25463419741 is an apocalyptic number.

It is an amenable number.

25463419741 is a deficient number, since it is larger than the sum of its proper divisors (1).

25463419741 is an equidigital number, since it uses as much as digits as its factorization.

25463419741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

The spelling of 25463419741 in words is "twenty-five billion, four hundred sixty-three million, four hundred nineteen thousand, seven hundred forty-one".