4642502991 has 24 divisors (see below), whose sum is σ = 7432902144. Its totient is φ = 2567280240.

The previous prime is 4642502981. The next prime is 4642502999. The reversal of 4642502991 is 1992052464.

It is not a de Polignac number, because 4642502991 - 2⁶ = 4642502927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4642502999) by changing a digit.

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, 504825 + ... + 513938.

It is an arithmetic number, because the mean of its divisors is an integer number (309704256).

Almost surely, 2^4642502991 is an apocalyptic number.

4642502991 is a deficient number, since it is larger than the sum of its proper divisors (2790399153).

4642502991 is a wasteful number, since it uses less digits than its factorization.

4642502991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018811 (or 1018804 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 4642502991 is about 68135.9155732129. The cubic root of 4642502991 is about 1668.2100403885.

The spelling of 4642502991 in words is "four billion, six hundred forty-two million, five hundred two thousand, nine hundred ninety-one".