4198761522 has 42 divisors (see below), whose sum is σ = 9448461453. Its totient is φ = 1398762432.

The previous prime is 4198761509. The next prime is 4198761559. The reversal of 4198761522 is 2251678914.

4198761522 is a `hidden beast` number, since 4 + 1 + 9 + 8 + 7 + 615 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2895623721 + 1303137801 = 53811^2 + 36099^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=45819.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 2473378 + ... + 2475074.

Almost surely, 2^4198761522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4198761522

4198761522 is an abundant number, since it is smaller than the sum of its proper divisors (5249699931).

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

4198761522 is an frugal number, since it uses more digits than its factorization.

4198761522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414 (or 1702 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 4198761522 is about 64797.8512143728. The cubic root of 4198761522 is about 1613.2700434594.

The spelling of 4198761522 in words is "four billion, one hundred ninety-eight million, seven hundred sixty-one thousand, five hundred twenty-two".