494079613 has 2 divisors, whose sum is σ = 494079614. Its totient is φ = 494079612.

The previous prime is 494079587. The next prime is 494079631. The reversal of 494079613 is 316970494.

494079613 = 15717² + 15718².

Together with next prime (494079631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247055524 + 247024089 = 15718^2 + 15717^2 .

It is a cyclic number.

It is not a de Polignac number, because 494079613 - 2⁹ = 494079101 is a prime.

It is a super-2 number, since 2×494079613² = 488229327964459538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 494079613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494079013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247039806 + 247039807.

It is an arithmetic number, because the mean of its divisors is an integer number (247039807).

Almost surely, 2^494079613 is an apocalyptic number.

494079613 is the 15718-th centered square number.

It is an amenable number.

494079613 is a deficient number, since it is larger than the sum of its proper divisors (1).

494079613 is an equidigital number, since it uses as much as digits as its factorization.

494079613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 494079613 is about 22227.9016778462. The cubic root of 494079613 is about 790.5554033797. Note that the first 3 decimals are identical.

The spelling of 494079613 in words is "four hundred ninety-four million, seventy-nine thousand, six hundred thirteen".