25954562966 has 16 divisors (see below), whose sum is σ = 41228475120. Its totient is φ = 12211979520.

The previous prime is 25954562939. The next prime is 25954563023. The reversal of 25954562966 is 66926545952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170450 + ... + 284538.

It is an arithmetic number, because the mean of its divisors is an integer number (2576779695).

Almost surely, 2^25954562966 is an apocalyptic number.

25954562966 is a deficient number, since it is larger than the sum of its proper divisors (15273912154).

25954562966 is a wasteful number, since it uses less digits than its factorization.

25954562966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120799.

The product of its digits is 34992000, while the sum is 59.

The spelling of 25954562966 in words is "twenty-five billion, nine hundred fifty-four million, five hundred sixty-two thousand, nine hundred sixty-six".