90426502543 has 8 divisors (see below), whose sum is σ = 100523755136. Its totient is φ = 80778016800.

The previous prime is 90426502531. The next prime is 90426502547. The reversal of 90426502543 is 34520562409.

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

It is not a de Polignac number, because 90426502543 - 2²¹ = 90424405391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90426502496 and 90426502505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90426502547) 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, 112191288 + ... + 112192093.

It is an arithmetic number, because the mean of its divisors is an integer number (12565469392).

Almost surely, 2^90426502543 is an apocalyptic number.

90426502543 is a deficient number, since it is larger than the sum of its proper divisors (10097252593).

90426502543 is a wasteful number, since it uses less digits than its factorization.

90426502543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224383425.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 90426502543 in words is "ninety billion, four hundred twenty-six million, five hundred two thousand, five hundred forty-three".