493990246945 has 16 divisors (see below), whose sum is σ = 644585340672. Its totient is φ = 361251115200.

The previous prime is 493990246933. The next prime is 493990246973. The reversal of 493990246945 is 549642099394.

It is a happy number.

It is not a de Polignac number, because 493990246945 - 2⁵ = 493990246913 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36885781 + ... + 36899170.

It is an arithmetic number, because the mean of its divisors is an integer number (40286583792).

Almost surely, 2^493990246945 is an apocalyptic number.

It is an amenable number.

493990246945 is a deficient number, since it is larger than the sum of its proper divisors (150595093727).

493990246945 is a wasteful number, since it uses less digits than its factorization.

493990246945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73785072.

The product of its (nonzero) digits is 75582720, while the sum is 64.

The spelling of 493990246945 in words is "four hundred ninety-three billion, nine hundred ninety million, two hundred forty-six thousand, nine hundred forty-five".