4642651123 has 16 divisors (see below), whose sum is σ = 5164515936. Its totient is φ = 4137552640.

The previous prime is 4642651087. The next prime is 4642651127. The reversal of 4642651123 is 3211562464.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4642651123 is a prime.

It is a super-2 number, since 2×4642651123² = 43108418899786322258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4642651127) 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 15 ways as a sum of consecutive naturals, for example, 937911 + ... + 942847.

It is an arithmetic number, because the mean of its divisors is an integer number (322782246).

Almost surely, 2^4642651123 is an apocalyptic number.

4642651123 is a deficient number, since it is larger than the sum of its proper divisors (521864813).

4642651123 is a wasteful number, since it uses less digits than its factorization.

4642651123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6614.

The product of its digits is 34560, while the sum is 34.

The square root of 4642651123 is about 68137.0025977075. The cubic root of 4642651123 is about 1668.2277831637.

The spelling of 4642651123 in words is "four billion, six hundred forty-two million, six hundred fifty-one thousand, one hundred twenty-three".