268541231902 has 4 divisors (see below), whose sum is σ = 402811847856. Its totient is φ = 134270615950.

The previous prime is 268541231851. The next prime is 268541231909. The reversal of 268541231902 is 209132145862.

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

It is a super-2 number, since 2×268541231902² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268541231909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67135307974 + ... + 67135307977.

It is an arithmetic number, because the mean of its divisors is an integer number (100702961964).

Almost surely, 2^268541231902 is an apocalyptic number.

268541231902 is a deficient number, since it is larger than the sum of its proper divisors (134270615954).

268541231902 is a wasteful number, since it uses less digits than its factorization.

268541231902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134270615953.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 268541231902 in words is "two hundred sixty-eight billion, five hundred forty-one million, two hundred thirty-one thousand, nine hundred two".