19675082378 has 32 divisors (see below), whose sum is σ = 35286547968. Its totient is φ = 8051472000.

The previous prime is 19675082377. The next prime is 19675082389. The reversal of 19675082378 is 87328057691.

It is a super-2 number, since 2×19675082378² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19675082377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337673 + ... + 391628.

It is an arithmetic number, because the mean of its divisors is an integer number (1102704624).

Almost surely, 2^19675082378 is an apocalyptic number.

19675082378 is a deficient number, since it is larger than the sum of its proper divisors (15611465590).

19675082378 is a wasteful number, since it uses less digits than its factorization.

19675082378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729398.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 19675082378 in words is "nineteen billion, six hundred seventy-five million, eighty-two thousand, three hundred seventy-eight".