4609368732409 has 12 divisors (see below), whose sum is σ = 5361985324404. Its totient is φ = 3950838415104.

The previous prime is 4609368732377. The next prime is 4609368732443. The reversal of 4609368732409 is 9042378639064.

It can be written as a sum of positive squares in 2 ways, for example, as 3885077523600 + 724291208809 = 1971060^2 + 851053^2 .

It is not a de Polignac number, because 4609368732409 - 2⁵ = 4609368732377 is a prime.

It is a super-2 number, since 2×4609368732409² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4609368712409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3721989 + ... + 4803325.

It is an arithmetic number, because the mean of its divisors is an integer number (446832110367).

Almost surely, 2^{4609368732409} is an apocalyptic number.

4609368732409 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4609368732409 is a deficient number, since it is larger than the sum of its proper divisors (752616591995).

4609368732409 is a wasteful number, since it uses less digits than its factorization.

4609368732409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168344 (or 1168337 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 61.

The spelling of 4609368732409 in words is "four trillion, six hundred nine billion, three hundred sixty-eight million, seven hundred thirty-two thousand, four hundred nine".