25747479983 has 2 divisors, whose sum is σ = 25747479984. Its totient is φ = 25747479982.

The previous prime is 25747479959. The next prime is 25747480021. The reversal of 25747479983 is 38997474752.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25747479983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25747479943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12873739991 + 12873739992.

It is an arithmetic number, because the mean of its divisors is an integer number (12873739992).

Almost surely, 2^25747479983 is an apocalyptic number.

25747479983 is a deficient number, since it is larger than the sum of its proper divisors (1).

25747479983 is an equidigital number, since it uses as much as digits as its factorization.

25747479983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 106686720, while the sum is 65.

The spelling of 25747479983 in words is "twenty-five billion, seven hundred forty-seven million, four hundred seventy-nine thousand, nine hundred eighty-three".