19056949378 has 32 divisors (see below), whose sum is σ = 29471195520. Its totient is φ = 9238425600.

The previous prime is 19056949369. The next prime is 19056949381. The reversal of 19056949378 is 87394965091.

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, 3120528 + ... + 3126628.

It is an arithmetic number, because the mean of its divisors is an integer number (920974860).

Almost surely, 2^19056949378 is an apocalyptic number.

19056949378 is a deficient number, since it is larger than the sum of its proper divisors (10414246142).

19056949378 is a wasteful number, since it uses less digits than its factorization.

19056949378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6522.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 19056949378 in words is "nineteen billion, fifty-six million, nine hundred forty-nine thousand, three hundred seventy-eight".