1634322493 has 4 divisors (see below), whose sum is σ = 1669095360. Its totient is φ = 1599549628.

The previous prime is 1634322451. The next prime is 1634322611. The reversal of 1634322493 is 3942234361.

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 1634322493 - 2¹⁷ = 1634191421 is a prime.

It is a super-2 number, since 2×1634322493² = 5342020022251470098, 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 (1634322433) 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, 17386363 + ... + 17386456.

It is an arithmetic number, because the mean of its divisors is an integer number (417273840).

Almost surely, 2^1634322493 is an apocalyptic number.

It is an amenable number.

1634322493 is a deficient number, since it is larger than the sum of its proper divisors (34772867).

1634322493 is an equidigital number, since it uses as much as digits as its factorization.

1634322493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34772866.

The product of its digits is 93312, while the sum is 37.

The square root of 1634322493 is about 40426.7546681650. The cubic root of 1634322493 is about 1177.9112942122.

The spelling of 1634322493 in words is "one billion, six hundred thirty-four million, three hundred twenty-two thousand, four hundred ninety-three".