2196523953 has 16 divisors (see below), whose sum is σ = 3504426240. Its totient is φ = 1351706832.

The previous prime is 2196523951. The next prime is 2196523961. The reversal of 2196523953 is 3593256912.

It is not a de Polignac number, because 2196523953 - 2¹ = 2196523951 is a prime.

It is a super-2 number, since 2×2196523953² = 9649434952205492418, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2196523899 and 2196523908.

It is not an unprimeable number, because it can be changed into a prime (2196523951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3128601 + ... + 3129302.

It is an arithmetic number, because the mean of its divisors is an integer number (219026640).

Almost surely, 2^2196523953 is an apocalyptic number.

It is an amenable number.

2196523953 is a deficient number, since it is larger than the sum of its proper divisors (1307902287).

2196523953 is a wasteful number, since it uses less digits than its factorization.

2196523953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6257925 (or 6257919 counting only the distinct ones).

The product of its digits is 437400, while the sum is 45.

The square root of 2196523953 is about 46867.0881642971. The cubic root of 2196523953 is about 1299.9060983457.

The spelling of 2196523953 in words is "two billion, one hundred ninety-six million, five hundred twenty-three thousand, nine hundred fifty-three".