25934436046 has 16 divisors (see below), whose sum is σ = 39781948608. Its totient is φ = 12675592800.

The previous prime is 25934436043. The next prime is 25934436083. The reversal of 25934436046 is 64063443952.

It is a super-2 number, since 2×25934436046² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25934435987 and 25934436005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25934436043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422685 + ... + 480136.

It is an arithmetic number, because the mean of its divisors is an integer number (2486371788).

Almost surely, 2^25934436046 is an apocalyptic number.

25934436046 is a deficient number, since it is larger than the sum of its proper divisors (13847512562).

25934436046 is a wasteful number, since it uses less digits than its factorization.

25934436046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903147.

The product of its (nonzero) digits is 1866240, while the sum is 46.

Adding to 25934436046 its reverse (64063443952), we get a palindrome (89997879998).

The spelling of 25934436046 in words is "twenty-five billion, nine hundred thirty-four million, four hundred thirty-six thousand, forty-six".