91732452542 has 8 divisors (see below), whose sum is σ = 144840714600. Its totient is φ = 43452214344.

The previous prime is 91732452473. The next prime is 91732452577. The reversal of 91732452542 is 24525423719.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 91732452493 and 91732452502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207005917 + ... + 1207005992.

It is an arithmetic number, because the mean of its divisors is an integer number (18105089325).

Almost surely, 2^91732452542 is an apocalyptic number.

91732452542 is a deficient number, since it is larger than the sum of its proper divisors (53108262058).

91732452542 is a wasteful number, since it uses less digits than its factorization.

91732452542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414011930.

The product of its digits is 604800, while the sum is 44.

The spelling of 91732452542 in words is "ninety-one billion, seven hundred thirty-two million, four hundred fifty-two thousand, five hundred forty-two".