6042491638 has 4 divisors (see below), whose sum is σ = 9063737460. Its totient is φ = 3021245818.

The previous prime is 6042491633. The next prime is 6042491647. The reversal of 6042491638 is 8361942406.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8361942406 = 2 ⋅4180971203.

It is a junction number, because it is equal to n+sod(n) for n = 6042491594 and 6042491603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6042491633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510622908 + ... + 1510622911.

It is an arithmetic number, because the mean of its divisors is an integer number (2265934365).

Almost surely, 2^6042491638 is an apocalyptic number.

6042491638 is a deficient number, since it is larger than the sum of its proper divisors (3021245822).

6042491638 is a wasteful number, since it uses less digits than its factorization.

6042491638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021245821.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 6042491638 is about 77733.4653672406. The cubic root of 6042491638 is about 1821.4000857731.

The spelling of 6042491638 in words is "six billion, forty-two million, four hundred ninety-one thousand, six hundred thirty-eight".