2196508954 has 4 divisors (see below), whose sum is σ = 3294763434. Its totient is φ = 1098254476.

The previous prime is 2196508943. The next prime is 2196508961. The reversal of 2196508954 is 4598056912.

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

It can be written as a sum of positive squares in only one way, i.e., 2169416929 + 27092025 = 46577^2 + 5205^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2196508898 and 2196508907.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549127237 + ... + 549127240.

Almost surely, 2^2196508954 is an apocalyptic number.

2196508954 is a deficient number, since it is larger than the sum of its proper divisors (1098254480).

2196508954 is a wasteful number, since it uses less digits than its factorization.

2196508954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098254479.

The product of its (nonzero) digits is 777600, while the sum is 49.

The square root of 2196508954 is about 46866.9281476821. The cubic root of 2196508954 is about 1299.9031395289.

The spelling of 2196508954 in words is "two billion, one hundred ninety-six million, five hundred eight thousand, nine hundred fifty-four".