4192643938 has 48 divisors (see below), whose sum is σ = 7770497184. Its totient is φ = 1685819520.

The previous prime is 4192643929. The next prime is 4192643957. The reversal of 4192643938 is 8393462914.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 4192643891 and 4192643900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 547645 + ... + 555247.

It is an arithmetic number, because the mean of its divisors is an integer number (161885358).

Almost surely, 2^4192643938 is an apocalyptic number.

4192643938 is a deficient number, since it is larger than the sum of its proper divisors (3577853246).

4192643938 is a wasteful number, since it uses less digits than its factorization.

4192643938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7967 (or 7960 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 49.

The square root of 4192643938 is about 64750.6288618111. The cubic root of 4192643938 is about 1612.4861526203.

The spelling of 4192643938 in words is "four billion, one hundred ninety-two million, six hundred forty-three thousand, nine hundred thirty-eight".