479646749 has 2 divisors, whose sum is σ = 479646750. Its totient is φ = 479646748.

The previous prime is 479646737. The next prime is 479646757. The reversal of 479646749 is 947646974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 410872900 + 68773849 = 20270^2 + 8293^2 .

It is a cyclic number.

It is not a de Polignac number, because 479646749 - 2¹⁶ = 479581213 is a prime.

It is a super-2 number, since 2×479646749² = 460122007652538002, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 479646694 and 479646703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479649749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239823374 + 239823375.

It is an arithmetic number, because the mean of its divisors is an integer number (239823375).

Almost surely, 2^479646749 is an apocalyptic number.

It is an amenable number.

479646749 is a deficient number, since it is larger than the sum of its proper divisors (1).

479646749 is an equidigital number, since it uses as much as digits as its factorization.

479646749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 56.

The square root of 479646749 is about 21900.8390021935. The cubic root of 479646749 is about 782.7814073589.

The spelling of 479646749 in words is "four hundred seventy-nine million, six hundred forty-six thousand, seven hundred forty-nine".