493437407401 has 3 divisors (see below), whose sum is σ = 493438109853. Its totient is φ = 493436704950.

The previous prime is 493437407389. The next prime is 493437407417. The reversal of 493437407401 is 104704734394.

It is a happy number.

The square root of 493437407401 is 702451.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 493437407401 - 2²³ = 493429018793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493437407431) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 351226 + ... + 1053676.

It is an arithmetic number, because the mean of its divisors is an integer number (164479369951).

Almost surely, 2^493437407401 is an apocalyptic number.

493437407401 is the 702451-st square number.

493437407401 is the 351226-th centered octagonal number.

It is an amenable number.

493437407401 is a deficient number, since it is larger than the sum of its proper divisors (702452).

493437407401 is an frugal number, since it uses more digits than its factorization.

493437407401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404902 (or 702451 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 493437407401 in words is "four hundred ninety-three billion, four hundred thirty-seven million, four hundred seven thousand, four hundred one".