25248714949 has 2 divisors, whose sum is σ = 25248714950. Its totient is φ = 25248714948.

The previous prime is 25248714943. The next prime is 25248714979. The reversal of 25248714949 is 94941784252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24133622500 + 1115092449 = 155350^2 + 33393^2 .

It is a cyclic number.

It is not a de Polignac number, because 25248714949 - 2⁹ = 25248714437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25248714949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25248714943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12624357474 + 12624357475.

It is an arithmetic number, because the mean of its divisors is an integer number (12624357475).

Almost surely, 2^25248714949 is an apocalyptic number.

It is an amenable number.

25248714949 is a deficient number, since it is larger than the sum of its proper divisors (1).

25248714949 is an equidigital number, since it uses as much as digits as its factorization.

25248714949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 55.

The spelling of 25248714949 in words is "twenty-five billion, two hundred forty-eight million, seven hundred fourteen thousand, nine hundred forty-nine".