4691149042 has 4 divisors (see below), whose sum is σ = 7036723566. Its totient is φ = 2345574520.

The previous prime is 4691149037. The next prime is 4691149049. The reversal of 4691149042 is 2409411964.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4583425401 + 107723641 = 67701^2 + 10379^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4691148986 and 4691149004.

It is not an unprimeable number, because it can be changed into a prime (4691149049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1172787259 + ... + 1172787262.

Almost surely, 2^4691149042 is an apocalyptic number.

4691149042 is a deficient number, since it is larger than the sum of its proper divisors (2345574524).

4691149042 is a wasteful number, since it uses less digits than its factorization.

4691149042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345574523.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 4691149042 is about 68491.9633387743. The cubic root of 4691149042 is about 1674.0165361569.

The spelling of 4691149042 in words is "four billion, six hundred ninety-one million, one hundred forty-nine thousand, forty-two".