25480002777739 has 2 divisors, whose sum is σ = 25480002777740. Its totient is φ = 25480002777738.

The previous prime is 25480002777683. The next prime is 25480002777791. The reversal of 25480002777739 is 93777720008452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25480002777739 - 2¹⁵ = 25480002744971 is a prime.

It is not a weakly prime, because it can be changed into another prime (25480002717739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12740001388869 + 12740001388870.

It is an arithmetic number, because the mean of its divisors is an integer number (12740001388870).

Almost surely, 2^{25480002777739} is an apocalyptic number.

25480002777739 is a deficient number, since it is larger than the sum of its proper divisors (1).

25480002777739 is an equidigital number, since it uses as much as digits as its factorization.

25480002777739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41489280, while the sum is 61.

The spelling of 25480002777739 in words is "twenty-five trillion, four hundred eighty billion, two million, seven hundred seventy-seven thousand, seven hundred thirty-nine".