2195519542 has 16 divisors (see below), whose sum is σ = 3460949712. Its totient is φ = 1043249760.

The previous prime is 2195519527. The next prime is 2195519549. The reversal of 2195519542 is 2459155912.

It is a happy number.

2195519542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195519549) 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, 341809 + ... + 348172.

It is an arithmetic number, because the mean of its divisors is an integer number (216309357).

Almost surely, 2^2195519542 is an apocalyptic number.

2195519542 is a deficient number, since it is larger than the sum of its proper divisors (1265430170).

2195519542 is a wasteful number, since it uses less digits than its factorization.

2195519542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690063.

The product of its digits is 162000, while the sum is 43.

The square root of 2195519542 is about 46856.3714130747. The cubic root of 2195519542 is about 1299.7079308359.

The spelling of 2195519542 in words is "two billion, one hundred ninety-five million, five hundred nineteen thousand, five hundred forty-two".