19266794491794 has 32 divisors (see below), whose sum is σ = 39024147181824. Its totient is φ = 6340609488720.

The previous prime is 19266794491739. The next prime is 19266794491807. The reversal of 19266794491794 is 49719449766291.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12305412 + ... + 13782479.

It is an arithmetic number, because the mean of its divisors is an integer number (1219504599432).

Almost surely, 2^{19266794491794} is an apocalyptic number.

19266794491794 is an abundant number, since it is smaller than the sum of its proper divisors (19757352690030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19266794491794 is a wasteful number, since it uses less digits than its factorization.

19266794491794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26089462.

The product of its digits is 1481421312, while the sum is 78.

The spelling of 19266794491794 in words is "nineteen trillion, two hundred sixty-six billion, seven hundred ninety-four million, four hundred ninety-one thousand, seven hundred ninety-four".