90526839549 has 4 divisors (see below), whose sum is σ = 120702452736. Its totient is φ = 60351226364.

The previous prime is 90526839547. The next prime is 90526839563. The reversal of 90526839549 is 94593862509.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90526839549 - 2¹ = 90526839547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90526839492 and 90526839501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90526839547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15087806589 + ... + 15087806594.

It is an arithmetic number, because the mean of its divisors is an integer number (30175613184).

Almost surely, 2^90526839549 is an apocalyptic number.

It is an amenable number.

90526839549 is a deficient number, since it is larger than the sum of its proper divisors (30175613187).

90526839549 is a wasteful number, since it uses less digits than its factorization.

90526839549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30175613186.

The product of its (nonzero) digits is 20995200, while the sum is 60.

The spelling of 90526839549 in words is "ninety billion, five hundred twenty-six million, eight hundred thirty-nine thousand, five hundred forty-nine".