253890669976 has 8 divisors (see below), whose sum is σ = 476045006220. Its totient is φ = 126945334984.

The previous prime is 253890669961. The next prime is 253890669997. The reversal of 253890669976 is 679966098352.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15868166866 + ... + 15868166881.

Almost surely, 2^253890669976 is an apocalyptic number.

It is an amenable number.

253890669976 is a deficient number, since it is larger than the sum of its proper divisors (222154336244).

253890669976 is a wasteful number, since it uses less digits than its factorization.

253890669976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31736333753 (or 31736333749 counting only the distinct ones).

The product of its (nonzero) digits is 264539520, while the sum is 70.

The spelling of 253890669976 in words is "two hundred fifty-three billion, eight hundred ninety million, six hundred sixty-nine thousand, nine hundred seventy-six".