535009491 has 6 divisors (see below), whose sum is σ = 772791500. Its totient is φ = 356672988.

The previous prime is 535009477. The next prime is 535009547. The reversal of 535009491 is 194900535.

It is a de Polignac number, because none of the positive numbers 2^k-535009491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (535009421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29722741 + ... + 29722758.

Almost surely, 2^535009491 is an apocalyptic number.

535009491 is a deficient number, since it is larger than the sum of its proper divisors (237782009).

535009491 is a wasteful number, since it uses less digits than its factorization.

535009491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59445505 (or 59445502 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 535009491 is about 23130.2721773869. The cubic root of 535009491 is about 811.8089384206.

The spelling of 535009491 in words is "five hundred thirty-five million, nine thousand, four hundred ninety-one".