2409780172801 has 4 divisors (see below), whose sum is σ = 2409847126704. Its totient is φ = 2409713218900.

The previous prime is 2409780172763. The next prime is 2409780172829. The reversal of 2409780172801 is 1082710879042.

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 2409780172801 - 2⁷ = 2409780172673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2409780172861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33422935 + ... + 33494956.

It is an arithmetic number, because the mean of its divisors is an integer number (602461781676).

Almost surely, 2^{2409780172801} is an apocalyptic number.

It is an amenable number.

2409780172801 is a deficient number, since it is larger than the sum of its proper divisors (66953903).

2409780172801 is an equidigital number, since it uses as much as digits as its factorization.

2409780172801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66953902.

The product of its (nonzero) digits is 451584, while the sum is 49.

The spelling of 2409780172801 in words is "two trillion, four hundred nine billion, seven hundred eighty million, one hundred seventy-two thousand, eight hundred one".