493434551 has 8 divisors (see below), whose sum is σ = 503446944. Its totient is φ = 483484320.

The previous prime is 493434547. The next prime is 493434569. The reversal of 493434551 is 155434394.

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 493434551 - 2² = 493434547 is a prime.

It is a super-2 number, since 2×493434551² = 486955312241143202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493434251) 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, 665 + ... + 31421.

It is an arithmetic number, because the mean of its divisors is an integer number (62930868).

Almost surely, 2^493434551 is an apocalyptic number.

493434551 is a deficient number, since it is larger than the sum of its proper divisors (10012393).

493434551 is a wasteful number, since it uses less digits than its factorization.

493434551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31081.

The product of its digits is 129600, while the sum is 38.

The square root of 493434551 is about 22213.3867521366. The cubic root of 493434551 is about 790.2112082825.

The spelling of 493434551 in words is "four hundred ninety-three million, four hundred thirty-four thousand, five hundred fifty-one".