2397211213849 has 9 divisors (see below), whose sum is σ = 2406151657749. Its totient is φ = 2388303884220.

The previous prime is 2397211213751. The next prime is 2397211213853. The reversal of 2397211213849 is 9483121127932.

The square root of 2397211213849 is 1548293.

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

It is not a de Polignac number, because 2397211213849 - 2¹⁵ = 2397211181081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2397211213796 and 2397211213805.

It is not an unprimeable number, because it can be changed into a prime (2397211213249) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 438164184 + ... + 438169654.

Almost surely, 2^{2397211213849} is an apocalyptic number.

2397211213849 is the 1548293-rd square number.

2397211213849 is the 774147-th centered octagonal number.

It is an amenable number.

2397211213849 is a deficient number, since it is larger than the sum of its proper divisors (8940443900).

2397211213849 is an frugal number, since it uses more digits than its factorization.

2397211213849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11508 (or 5754 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The spelling of 2397211213849 in words is "two trillion, three hundred ninety-seven billion, two hundred eleven million, two hundred thirteen thousand, eight hundred forty-nine".