25829397046 has 4 divisors (see below), whose sum is σ = 38744095572. Its totient is φ = 12914698522.

The previous prime is 25829396987. The next prime is 25829397059. The reversal of 25829397046 is 64079392852.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×25829397046² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6457349260 + ... + 6457349263.

It is an arithmetic number, because the mean of its divisors is an integer number (9686023893).

Almost surely, 2^25829397046 is an apocalyptic number.

25829397046 is a deficient number, since it is larger than the sum of its proper divisors (12914698526).

25829397046 is a wasteful number, since it uses less digits than its factorization.

25829397046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12914698525.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 25829397046 in words is "twenty-five billion, eight hundred twenty-nine million, three hundred ninety-seven thousand, forty-six".