19649107674476 has 24 divisors (see below), whose sum is σ = 39469823289120. Its totient is φ = 8384273016192.

The previous prime is 19649107674419. The next prime is 19649107674499. The reversal of 19649107674476 is 67447670194691.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1532207225 + ... + 1532220048.

It is an arithmetic number, because the mean of its divisors is an integer number (1644575970380).

Almost surely, 2^{19649107674476} is an apocalyptic number.

It is an amenable number.

19649107674476 is an abundant number, since it is smaller than the sum of its proper divisors (19820715614644).

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

19649107674476 is a wasteful number, since it uses less digits than its factorization.

19649107674476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064427513 (or 3064427511 counting only the distinct ones).

The product of its (nonzero) digits is 384072192, while the sum is 71.

The spelling of 19649107674476 in words is "nineteen trillion, six hundred forty-nine billion, one hundred seven million, six hundred seventy-four thousand, four hundred seventy-six".