4820191485394 has 16 divisors (see below), whose sum is σ = 7235238256632. Its totient is φ = 2408445923328.

The previous prime is 4820191485341. The next prime is 4820191485437. The reversal of 4820191485394 is 4935841910284.

It can be written as a sum of positive squares in 4 ways, for example, as 4612988997369 + 207202488025 = 2147787^2 + 455195^2 .

It is a super-2 number, since 2×4820191485394² (a number of 26 digits) contains 22 as substring.

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, 18751882 + ... + 19007194.

Almost surely, 2^{4820191485394} is an apocalyptic number.

4820191485394 is a deficient number, since it is larger than the sum of its proper divisors (2415046771238).

4820191485394 is a wasteful number, since it uses less digits than its factorization.

4820191485394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261741.

The product of its (nonzero) digits is 9953280, while the sum is 58.

The spelling of 4820191485394 in words is "four trillion, eight hundred twenty billion, one hundred ninety-one million, four hundred eighty-five thousand, three hundred ninety-four".