2400061475909 has 4 divisors (see below), whose sum is σ = 2400093599904. Its totient is φ = 2400029351916.

The previous prime is 2400061475887. The next prime is 2400061475983. The reversal of 2400061475909 is 9095741600042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2400061475909 - 2²⁸ = 2399793040453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400061472909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15949667 + ... + 16099440.

It is an arithmetic number, because the mean of its divisors is an integer number (600023399976).

Almost surely, 2^{2400061475909} is an apocalyptic number.

It is an amenable number.

2400061475909 is a deficient number, since it is larger than the sum of its proper divisors (32123995).

2400061475909 is an equidigital number, since it uses as much as digits as its factorization.

2400061475909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32123994.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 2400061475909 in words is "two trillion, four hundred billion, sixty-one million, four hundred seventy-five thousand, nine hundred nine".