2394443665201 has 27 divisors (see below), whose sum is σ = 2797280711001. Its totient is φ = 2043643669704.

The previous prime is 2394443665189. The next prime is 2394443665259. The reversal of 2394443665201 is 1025663444932.

The square root of 2394443665201 is 1547399.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2394443665201 - 2¹⁷ = 2394443534129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (2394443665261) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4798484050 + ... + 4798484548.

Almost surely, 2^{2394443665201} is an apocalyptic number.

2394443665201 is the 1547399-th square number.

2394443665201 is the 773700-th centered octagonal number.

It is an amenable number.

2394443665201 is a deficient number, since it is larger than the sum of its proper divisors (402837045800).

2394443665201 is an frugal number, since it uses more digits than its factorization.

2394443665201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898 (or 949 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 49.

Multiplying 2394443665201 by its sum of digits (49), we get a square (117327739594849 = 10831793²).

2394443665201 divided by its sum of digits (49) gives a square (48866197249 = 221057²).

The spelling of 2394443665201 in words is "two trillion, three hundred ninety-four billion, four hundred forty-three million, six hundred sixty-five thousand, two hundred one".