2197452949 has 4 divisors (see below), whose sum is σ = 2268338560. Its totient is φ = 2126567340.

The previous prime is 2197452947. The next prime is 2197452953. The reversal of 2197452949 is 9492547912.

2197452949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2197452949 - 2¹ = 2197452947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2197452896 and 2197452905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197452947) 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, 35442759 + ... + 35442820.

It is an arithmetic number, because the mean of its divisors is an integer number (567084640).

Almost surely, 2^2197452949 is an apocalyptic number.

It is an amenable number.

2197452949 is a deficient number, since it is larger than the sum of its proper divisors (70885611).

2197452949 is an equidigital number, since it uses as much as digits as its factorization.

2197452949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70885610.

The product of its digits is 1632960, while the sum is 52.

The square root of 2197452949 is about 46876.9980800819. The cubic root of 2197452949 is about 1300.0893329144.

The spelling of 2197452949 in words is "two billion, one hundred ninety-seven million, four hundred fifty-two thousand, nine hundred forty-nine".