747016409 has 2 divisors, whose sum is σ = 747016410. Its totient is φ = 747016408.

The previous prime is 747016381. The next prime is 747016429. The reversal of 747016409 is 904610747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480837184 + 266179225 = 21928^2 + 16315^2 .

It is a cyclic number.

It is not a de Polignac number, because 747016409 - 2¹⁶ = 746950873 is a prime.

It is not a weakly prime, because it can be changed into another prime (747016429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373508204 + 373508205.

It is an arithmetic number, because the mean of its divisors is an integer number (373508205).

Almost surely, 2^747016409 is an apocalyptic number.

It is an amenable number.

747016409 is a deficient number, since it is larger than the sum of its proper divisors (1).

747016409 is an equidigital number, since it uses as much as digits as its factorization.

747016409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 747016409 is about 27331.6009227414. The cubic root of 747016409 is about 907.3539075794.

The spelling of 747016409 in words is "seven hundred forty-seven million, sixteen thousand, four hundred nine".