25127663741 has 2 divisors, whose sum is σ = 25127663742. Its totient is φ = 25127663740.

The previous prime is 25127663711. The next prime is 25127663791. The reversal of 25127663741 is 14736672152.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23082724900 + 2044938841 = 151930^2 + 45221^2 .

It is a cyclic number.

It is not a de Polignac number, because 25127663741 - 2¹⁸ = 25127401597 is a prime.

It is a super-2 number, since 2×25127663741² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25127663692 and 25127663701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25127663711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12563831870 + 12563831871.

It is an arithmetic number, because the mean of its divisors is an integer number (12563831871).

Almost surely, 2^25127663741 is an apocalyptic number.

It is an amenable number.

25127663741 is a deficient number, since it is larger than the sum of its proper divisors (1).

25127663741 is an equidigital number, since it uses as much as digits as its factorization.

25127663741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The spelling of 25127663741 in words is "twenty-five billion, one hundred twenty-seven million, six hundred sixty-three thousand, seven hundred forty-one".