1036651409 has 2 divisors, whose sum is σ = 1036651410. Its totient is φ = 1036651408.

The previous prime is 1036651393. The next prime is 1036651477. The reversal of 1036651409 is 9041566301.

1036651409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 546250384 + 490401025 = 23372^2 + 22145^2 .

It is an emirp because it is prime and its reverse (9041566301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1036651409 - 2⁴ = 1036651393 is a prime.

It is a super-2 number, since 2×1036651409² = 2149292287563370562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1036651489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 518325704 + 518325705.

It is an arithmetic number, because the mean of its divisors is an integer number (518325705).

Almost surely, 2^1036651409 is an apocalyptic number.

It is an amenable number.

1036651409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1036651409 is an equidigital number, since it uses as much as digits as its factorization.

1036651409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1036651409 is about 32197.0714351476. The cubic root of 1036651409 is about 1012.0708447777.

The spelling of 1036651409 in words is "one billion, thirty-six million, six hundred fifty-one thousand, four hundred nine".