2191792952 has 64 divisors (see below), whose sum is σ = 4311286560. Its totient is φ = 1043827200.

The previous prime is 2191792913. The next prime is 2191792957. The reversal of 2191792952 is 2592971912.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2191792897 and 2191792906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2191792957) 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, 2146202 + ... + 2147222.

Almost surely, 2^2191792952 is an apocalyptic number.

It is an amenable number.

2191792952 is a deficient number, since it is larger than the sum of its proper divisors (2119493608).

2191792952 is a wasteful number, since it uses less digits than its factorization.

2191792952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1220 counting only the distinct ones).

The product of its digits is 204120, while the sum is 47.

The square root of 2191792952 is about 46816.5884276076. The cubic root of 2191792952 is about 1298.9721563870.

The spelling of 2191792952 in words is "two billion, one hundred ninety-one million, seven hundred ninety-two thousand, nine hundred fifty-two".