19266948426 has 16 divisors (see below), whose sum is σ = 42036978528. Its totient is φ = 5838469200.

The previous prime is 19266948413. The next prime is 19266948439. The reversal of 19266948426 is 62484966291.

It is an interprime number because it is at equal distance from previous prime (19266948413) and next prime (19266948439).

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 in 7 ways as a sum of consecutive naturals, for example, 145961665 + ... + 145961796.

It is an arithmetic number, because the mean of its divisors is an integer number (2627311158).

Almost surely, 2^19266948426 is an apocalyptic number.

19266948426 is an abundant number, since it is smaller than the sum of its proper divisors (22770030102).

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

19266948426 is a wasteful number, since it uses less digits than its factorization.

19266948426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291923477.

The product of its digits is 8957952, while the sum is 57.

The spelling of 19266948426 in words is "nineteen billion, two hundred sixty-six million, nine hundred forty-eight thousand, four hundred twenty-six".