19426516294 has 8 divisors (see below), whose sum is σ = 30673446840. Its totient is φ = 9202034016.

The previous prime is 19426516283. The next prime is 19426516331. The reversal of 19426516294 is 49261562491.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255612019 + ... + 255612094.

It is an arithmetic number, because the mean of its divisors is an integer number (3834180855).

Almost surely, 2^19426516294 is an apocalyptic number.

19426516294 is a deficient number, since it is larger than the sum of its proper divisors (11246930546).

19426516294 is a wasteful number, since it uses less digits than its factorization.

19426516294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511224134.

The product of its digits is 933120, while the sum is 49.

The spelling of 19426516294 in words is "nineteen billion, four hundred twenty-six million, five hundred sixteen thousand, two hundred ninety-four".