736642469 has 2 divisors, whose sum is σ = 736642470. Its totient is φ = 736642468.

The previous prime is 736642451. The next prime is 736642471. The reversal of 736642469 is 964246637.

736642469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 533009569 + 203632900 = 23087^2 + 14270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-736642469 is a prime.

It is a super-2 number, since 2×736642469² = 1085284254268831922, which contains 22 as substring.

Together with 736642471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (736642499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368321234 + 368321235.

It is an arithmetic number, because the mean of its divisors is an integer number (368321235).

Almost surely, 2^736642469 is an apocalyptic number.

It is an amenable number.

736642469 is a deficient number, since it is larger than the sum of its proper divisors (1).

736642469 is an equidigital number, since it uses as much as digits as its factorization.

736642469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 47.

The square root of 736642469 is about 27141.1582103638. The cubic root of 736642469 is about 903.1341221669.

The spelling of 736642469 in words is "seven hundred thirty-six million, six hundred forty-two thousand, four hundred sixty-nine".