6243952397 has 4 divisors (see below), whose sum is σ = 6376802496. Its totient is φ = 6111102300.

The previous prime is 6243952381. The next prime is 6243952399. The reversal of 6243952397 is 7932593426.

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 6243952397 - 2⁴ = 6243952381 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 (6243952399) 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, 66424979 + ... + 66425072.

It is an arithmetic number, because the mean of its divisors is an integer number (1594200624).

Almost surely, 2^6243952397 is an apocalyptic number.

It is an amenable number.

6243952397 is a deficient number, since it is larger than the sum of its proper divisors (132850099).

6243952397 is a wasteful number, since it uses less digits than its factorization.

6243952397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132850098.

The product of its digits is 2449440, while the sum is 50.

The square root of 6243952397 is about 79018.6838475560. The cubic root of 6243952397 is about 1841.4214359913.

The spelling of 6243952397 in words is "six billion, two hundred forty-three million, nine hundred fifty-two thousand, three hundred ninety-seven".