2195492651 has 8 divisors (see below), whose sum is σ = 2418797808. Its totient is φ = 1976140000.

The previous prime is 2195492627. The next prime is 2195492671. The reversal of 2195492651 is 1562945912.

2195492651 is digitally balanced in base 2, because in such base 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 a cyclic number.

It is not a de Polignac number, because 2195492651 - 2¹⁸ = 2195230507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2195492671) 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, 986960 + ... + 989181.

It is an arithmetic number, because the mean of its divisors is an integer number (302349726).

Almost surely, 2^2195492651 is an apocalyptic number.

2195492651 is a deficient number, since it is larger than the sum of its proper divisors (223305157).

2195492651 is a wasteful number, since it uses less digits than its factorization.

2195492651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976253.

The product of its digits is 194400, while the sum is 44.

The square root of 2195492651 is about 46856.0844608254. The cubic root of 2195492651 is about 1299.7026244854.

The spelling of 2195492651 in words is "two billion, one hundred ninety-five million, four hundred ninety-two thousand, six hundred fifty-one".