25675670354 has 4 divisors (see below), whose sum is σ = 38513505534. Its totient is φ = 12837835176.

The previous prime is 25675670353. The next prime is 25675670389. The reversal of 25675670354 is 45307657652.

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

It can be written as a sum of positive squares in only one way, i.e., 21466645225 + 4209025129 = 146515^2 + 64877^2 .

It is not an unprimeable number, because it can be changed into a prime (25675670353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6418917587 + ... + 6418917590.

Almost surely, 2^25675670354 is an apocalyptic number.

25675670354 is a deficient number, since it is larger than the sum of its proper divisors (12837835180).

25675670354 is a wasteful number, since it uses less digits than its factorization.

25675670354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12837835179.

The product of its (nonzero) digits is 5292000, while the sum is 50.

The spelling of 25675670354 in words is "twenty-five billion, six hundred seventy-five million, six hundred seventy thousand, three hundred fifty-four".