2397984743551 has 4 divisors (see below), whose sum is σ = 2398227981400. Its totient is φ = 2397741505704.

The previous prime is 2397984743491. The next prime is 2397984743563. The reversal of 2397984743551 is 1553474897932.

2397984743551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2397984743551 - 2¹⁵ = 2397984710783 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 (2397984747551) 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, 121604136 + ... + 121623853.

It is an arithmetic number, because the mean of its divisors is an integer number (599556995350).

Almost surely, 2^{2397984743551} is an apocalyptic number.

2397984743551 is a deficient number, since it is larger than the sum of its proper divisors (243237849).

2397984743551 is an equidigital number, since it uses as much as digits as its factorization.

2397984743551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243237848.

The product of its digits is 228614400, while the sum is 67.

The spelling of 2397984743551 in words is "two trillion, three hundred ninety-seven billion, nine hundred eighty-four million, seven hundred forty-three thousand, five hundred fifty-one".