4701891642 has 32 divisors (see below), whose sum is σ = 10751299584. Its totient is φ = 1342882800.

The previous prime is 4701891641. The next prime is 4701891659. The reversal of 4701891642 is 2461981074.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 4701891594 and 4701891603.

It is not an unprimeable number, because it can be changed into a prime (4701891641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97167 + ... + 137277.

It is an arithmetic number, because the mean of its divisors is an integer number (335978112).

Almost surely, 2^4701891642 is an apocalyptic number.

4701891642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4701891642 is an abundant number, since it is smaller than the sum of its proper divisors (6049407942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4701891642 is a wasteful number, since it uses less digits than its factorization.

4701891642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42914.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 4701891642 is about 68570.3408333370. The cubic root of 4701891642 is about 1675.2933790114.

The spelling of 4701891642 in words is "four billion, seven hundred one million, eight hundred ninety-one thousand, six hundred forty-two".