42819851372 has 24 divisors (see below), whose sum is σ = 80366958000. Its totient is φ = 19900385856.

The previous prime is 42819851369. The next prime is 42819851401. The reversal of 42819851372 is 27315891824.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42819851372.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5311247 + ... + 5319302.

It is an arithmetic number, because the mean of its divisors is an integer number (3348623250).

Almost surely, 2^42819851372 is an apocalyptic number.

It is an amenable number.

42819851372 is a deficient number, since it is larger than the sum of its proper divisors (37547106628).

42819851372 is a wasteful number, since it uses less digits than its factorization.

42819851372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10630625 (or 10630623 counting only the distinct ones).

The product of its digits is 967680, while the sum is 50.

The spelling of 42819851372 in words is "forty-two billion, eight hundred nineteen million, eight hundred fifty-one thousand, three hundred seventy-two".