494465600749 has 4 divisors (see below), whose sum is σ = 494652405664. Its totient is φ = 494278795836.

The previous prime is 494465600743. The next prime is 494465600819. The reversal of 494465600749 is 947006564494.

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, and also an emirpimes, since its reverse is a distinct semiprime: 947006564494 = 2 ⋅473503282247.

It is a cyclic number.

It is not a de Polignac number, because 494465600749 - 2¹⁷ = 494465469677 is a prime.

It is a super-2 number, since 2×494465600749² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 494465600693 and 494465600702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494465600743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93398487 + ... + 93403780.

It is an arithmetic number, because the mean of its divisors is an integer number (123663101416).

Almost surely, 2^494465600749 is an apocalyptic number.

It is an amenable number.

494465600749 is a deficient number, since it is larger than the sum of its proper divisors (186804915).

494465600749 is a wasteful number, since it uses less digits than its factorization.

494465600749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186804914.

The product of its (nonzero) digits is 26127360, while the sum is 58.

The spelling of 494465600749 in words is "four hundred ninety-four billion, four hundred sixty-five million, six hundred thousand, seven hundred forty-nine".