4191352542 has 48 divisors (see below), whose sum is σ = 10117074240. Its totient is φ = 1245174336.

The previous prime is 4191352441. The next prime is 4191352547. The reversal of 4191352542 is 2452531914.

4191352542 is a `hidden beast` number, since 4 + 1 + 91 + 3 + 525 + 42 = 666.

It is a super-2 number, since 2×4191352542² = 35134872262659723528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4191352497 and 4191352506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4191352547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302038 + ... + 315609.

It is an arithmetic number, because the mean of its divisors is an integer number (210772380).

Almost surely, 2^4191352542 is an apocalyptic number.

4191352542 is an abundant number, since it is smaller than the sum of its proper divisors (5925721698).

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

4191352542 is a wasteful number, since it uses less digits than its factorization.

4191352542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617697 (or 617694 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 4191352542 is about 64740.6560207726. The cubic root of 4191352542 is about 1612.3205791354.

The spelling of 4191352542 in words is "four billion, one hundred ninety-one million, three hundred fifty-two thousand, five hundred forty-two".