4651620142 has 16 divisors (see below), whose sum is σ = 7840859040. Its totient is φ = 2053557792.

The previous prime is 4651620137. The next prime is 4651620163. The reversal of 4651620142 is 2410261564.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3888717 + ... + 3889912.

It is an arithmetic number, because the mean of its divisors is an integer number (490053690).

Almost surely, 2^4651620142 is an apocalyptic number.

4651620142 is a deficient number, since it is larger than the sum of its proper divisors (3189238898).

4651620142 is a wasteful number, since it uses less digits than its factorization.

4651620142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7778667.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 4651620142 is about 68202.7869078676. The cubic root of 4651620142 is about 1669.3013609879.

The spelling of 4651620142 in words is "four billion, six hundred fifty-one million, six hundred twenty thousand, one hundred forty-two".