2195061492 has 96 divisors (see below), whose sum is σ = 5702602752. Its totient is φ = 652887936.

The previous prime is 2195061487. The next prime is 2195061493. The reversal of 2195061492 is 2941605912.

It is a super-2 number, since 2×2195061492² = 9636589907322532128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 2195061492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195061493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 606753 + ... + 610359.

It is an arithmetic number, because the mean of its divisors is an integer number (59402112).

Almost surely, 2^2195061492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2195061492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2851301376).

2195061492 is an abundant number, since it is smaller than the sum of its proper divisors (3507541260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2195061492 is a wasteful number, since it uses less digits than its factorization.

2195061492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3757 (or 3755 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 2195061492 is about 46851.4833489827. The cubic root of 2195061492 is about 1299.6175387726.

The spelling of 2195061492 in words is "two billion, one hundred ninety-five million, sixty-one thousand, four hundred ninety-two".