25700546747 has 2 divisors, whose sum is σ = 25700546748. Its totient is φ = 25700546746.

The previous prime is 25700546731. The next prime is 25700546761. The reversal of 25700546747 is 74764500752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25700546747 - 2⁴ = 25700546731 is a prime.

It is not a weakly prime, because it can be changed into another prime (25700546717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12850273373 + 12850273374.

It is an arithmetic number, because the mean of its divisors is an integer number (12850273374).

Almost surely, 2^25700546747 is an apocalyptic number.

25700546747 is a deficient number, since it is larger than the sum of its proper divisors (1).

25700546747 is an equidigital number, since it uses as much as digits as its factorization.

25700546747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1646400, while the sum is 47.

The spelling of 25700546747 in words is "twenty-five billion, seven hundred million, five hundred forty-six thousand, seven hundred forty-seven".