4972191420 has 96 divisors (see below), whose sum is σ = 16016587776. Its totient is φ = 1128960000.

The previous prime is 4972191373. The next prime is 4972191421. The reversal of 4972191420 is 241912794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4972191421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24220 + ... + 102620.

It is an arithmetic number, because the mean of its divisors is an integer number (166839456).

Almost surely, 2^4972191420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4972191420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8008293888).

4972191420 is an abundant number, since it is smaller than the sum of its proper divisors (11044396356).

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

4972191420 is a wasteful number, since it uses less digits than its factorization.

4972191420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78571 (or 78569 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 4972191420 is about 70513.7675918682. The cubic root of 4972191420 is about 1706.7999177948.

It can be divided in two parts, 49721 and 91420, that added together give a palindrome (141141).

The spelling of 4972191420 in words is "four billion, nine hundred seventy-two million, one hundred ninety-one thousand, four hundred twenty".