90743242449 has 8 divisors (see below), whose sum is σ = 121690360512. Its totient is φ = 60145809680.

The previous prime is 90743242339. The next prime is 90743242463. The reversal of 90743242449 is 94424234709.

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

It is a cyclic number.

It is not a de Polignac number, because 90743242449 - 2¹⁶ = 90743176913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90743242398 and 90743242407.

It is not an unprimeable number, because it can be changed into a prime (90743242949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87420717 + ... + 87421754.

It is an arithmetic number, because the mean of its divisors is an integer number (15211295064).

Almost surely, 2^90743242449 is an apocalyptic number.

It is an amenable number.

90743242449 is a deficient number, since it is larger than the sum of its proper divisors (30947118063).

90743242449 is a wasteful number, since it uses less digits than its factorization.

90743242449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174842647.

The product of its (nonzero) digits is 1741824, while the sum is 48.

It can be divided in two parts, 9074 and 3242449, that added together give a palindrome (3251523).

The spelling of 90743242449 in words is "ninety billion, seven hundred forty-three million, two hundred forty-two thousand, four hundred forty-nine".