494432737 has 2 divisors, whose sum is σ = 494432738. Its totient is φ = 494432736.

The previous prime is 494432699. The next prime is 494432749. The reversal of 494432737 is 737234494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 475414416 + 19018321 = 21804^2 + 4361^2 .

It is a cyclic number.

It is not a de Polignac number, because 494432737 - 2²³ = 486044129 is a prime.

It is a super-2 number, since 2×494432737² = 488927462834622338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 494432693 and 494432702.

It is not a weakly prime, because it can be changed into another prime (494432537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247216368 + 247216369.

It is an arithmetic number, because the mean of its divisors is an integer number (247216369).

Almost surely, 2^494432737 is an apocalyptic number.

It is an amenable number.

494432737 is a deficient number, since it is larger than the sum of its proper divisors (1).

494432737 is an equidigital number, since it uses as much as digits as its factorization.

494432737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 43.

The square root of 494432737 is about 22235.8435189673. The cubic root of 494432737 is about 790.7436980041.

The spelling of 494432737 in words is "four hundred ninety-four million, four hundred thirty-two thousand, seven hundred thirty-seven".