2196863457 has 8 divisors (see below), whose sum is σ = 2946691776. Its totient is φ = 1455805392.

The previous prime is 2196863443. The next prime is 2196863483. The reversal of 2196863457 is 7543686912.

2196863457 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2196863457 - 2⁶ = 2196863393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2196863497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2191978 + ... + 2192979.

It is an arithmetic number, because the mean of its divisors is an integer number (368336472).

Almost surely, 2^2196863457 is an apocalyptic number.

It is an amenable number.

2196863457 is a deficient number, since it is larger than the sum of its proper divisors (749828319).

2196863457 is a wasteful number, since it uses less digits than its factorization.

2196863457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4385127.

The product of its digits is 2177280, while the sum is 51.

The square root of 2196863457 is about 46870.7100116907. The cubic root of 2196863457 is about 1299.9730678839.

The spelling of 2196863457 in words is "two billion, one hundred ninety-six million, eight hundred sixty-three thousand, four hundred fifty-seven".