90276841643 has 4 divisors (see below), whose sum is σ = 92716756320. Its totient is φ = 87836926968.

The previous prime is 90276841609. The next prime is 90276841657. The reversal of 90276841643 is 34614867209.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34614867209 = 13 ⋅2662682093.

It is a cyclic number.

It is not a de Polignac number, because 90276841643 - 2⁶ = 90276841579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90276841591 and 90276841600.

It is not an unprimeable number, because it can be changed into a prime (90276841663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219957283 + ... + 1219957356.

It is an arithmetic number, because the mean of its divisors is an integer number (23179189080).

Almost surely, 2^90276841643 is an apocalyptic number.

90276841643 is a deficient number, since it is larger than the sum of its proper divisors (2439914677).

90276841643 is a wasteful number, since it uses less digits than its factorization.

90276841643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439914676.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 90276841643 in words is "ninety billion, two hundred seventy-six million, eight hundred forty-one thousand, six hundred forty-three".