2141521192 has 8 divisors (see below), whose sum is σ = 4015352250. Its totient is φ = 1070760592.

The previous prime is 2141521183. The next prime is 2141521231. The reversal of 2141521192 is 2911251412.

It can be written as a sum of positive squares in only one way, i.e., 2061704836 + 79816356 = 45406^2 + 8934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2141521192² = 9172226031570201728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2141521192.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133845067 + ... + 133845082.

Almost surely, 2^2141521192 is an apocalyptic number.

It is an amenable number.

2141521192 is a deficient number, since it is larger than the sum of its proper divisors (1873831058).

2141521192 is a wasteful number, since it uses less digits than its factorization.

2141521192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267690155 (or 267690151 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

The square root of 2141521192 is about 46276.5728203807. The cubic root of 2141521192 is about 1288.9640124905.

The spelling of 2141521192 in words is "two billion, one hundred forty-one million, five hundred twenty-one thousand, one hundred ninety-two".