493289551 has 2 divisors, whose sum is σ = 493289552. Its totient is φ = 493289550.

The previous prime is 493289549. The next prime is 493289567. The reversal of 493289551 is 155982394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 493289551 - 2¹ = 493289549 is a prime.

It is a super-2 number, since 2×493289551² = 486669162251563202, which contains 22 as substring.

Together with 493289549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493283551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246644775 + 246644776.

It is an arithmetic number, because the mean of its divisors is an integer number (246644776).

Almost surely, 2^493289551 is an apocalyptic number.

493289551 is a deficient number, since it is larger than the sum of its proper divisors (1).

493289551 is an equidigital number, since it uses as much as digits as its factorization.

493289551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 46.

The square root of 493289551 is about 22210.1227146542. The cubic root of 493289551 is about 790.1337972390.

The spelling of 493289551 in words is "four hundred ninety-three million, two hundred eighty-nine thousand, five hundred fifty-one".