493945101 has 16 divisors (see below), whose sum is σ = 788061120. Its totient is φ = 303966000.

The previous prime is 493945061. The next prime is 493945117. The reversal of 493945101 is 101549394.

It is a happy number.

It is not a de Polignac number, because 493945101 - 2⁷ = 493944973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493945141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703275 + ... + 703976.

It is an arithmetic number, because the mean of its divisors is an integer number (49253820).

Almost surely, 2^493945101 is an apocalyptic number.

It is an amenable number.

493945101 is a deficient number, since it is larger than the sum of its proper divisors (294116019).

493945101 is a wasteful number, since it uses less digits than its factorization.

493945101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407273 (or 1407267 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 493945101 is about 22224.8757251869. The cubic root of 493945101 is about 790.4836545918.

The spelling of 493945101 in words is "four hundred ninety-three million, nine hundred forty-five thousand, one hundred one".