1009194697268 has 48 divisors (see below), whose sum is σ = 1862415846144. Its totient is φ = 477543982080.

The previous prime is 1009194697267. The next prime is 1009194697279. The reversal of 1009194697268 is 8627964919001.

It is a self number, because there is not a number n which added to its sum of digits gives 1009194697268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009194697261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34940873 + ... + 34969743.

It is an arithmetic number, because the mean of its divisors is an integer number (38800330128).

Almost surely, 2^{1009194697268} is an apocalyptic number.

It is an amenable number.

1009194697268 is a deficient number, since it is larger than the sum of its proper divisors (853221148876).

1009194697268 is a wasteful number, since it uses less digits than its factorization.

1009194697268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32912 (or 32910 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 62.

The spelling of 1009194697268 in words is "one trillion, nine billion, one hundred ninety-four million, six hundred ninety-seven thousand, two hundred sixty-eight".