109083436542 has 24 divisors (see below), whose sum is σ = 236370092400. Its totient is φ = 36357661440.

The previous prime is 109083436541. The next prime is 109083436547. The reversal of 109083436542 is 245634380901.

109083436542 is a `hidden beast` number, since 1 + 0 + 90 + 83 + 436 + 54 + 2 = 666.

It is a super-2 number, since 2×109083436542² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109083436541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93667 + ... + 476382.

It is an arithmetic number, because the mean of its divisors is an integer number (9848753850).

Almost surely, 2^109083436542 is an apocalyptic number.

109083436542 is an abundant number, since it is smaller than the sum of its proper divisors (127286655858).

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

109083436542 is a wasteful number, since it uses less digits than its factorization.

109083436542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580688 (or 580685 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 109083436542 in words is "one hundred nine billion, eighty-three million, four hundred thirty-six thousand, five hundred forty-two".