5257669894 has 4 divisors (see below), whose sum is σ = 7886504844. Its totient is φ = 2628834946.

The previous prime is 5257669877. The next prime is 5257669903. The reversal of 5257669894 is 4989667525.

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

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, 1314417472 + ... + 1314417475.

It is an arithmetic number, because the mean of its divisors is an integer number (1971626211).

Almost surely, 2^5257669894 is an apocalyptic number.

5257669894 is a deficient number, since it is larger than the sum of its proper divisors (2628834950).

5257669894 is a wasteful number, since it uses less digits than its factorization.

5257669894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628834949.

The product of its digits is 32659200, while the sum is 61.

The square root of 5257669894 is about 72509.7917111889. The cubic root of 5257669894 is about 1738.8592838162.

The spelling of 5257669894 in words is "five billion, two hundred fifty-seven million, six hundred sixty-nine thousand, eight hundred ninety-four".