2090172562 has 4 divisors (see below), whose sum is σ = 3135258846. Its totient is φ = 1045086280.

The previous prime is 2090172547. The next prime is 2090172569. The reversal of 2090172562 is 2652710902.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2086753761 + 3418801 = 45681^2 + 1849^2 .

It is a super-4 number, since 4×2090172562⁴ (a number of 38 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (2090172569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522543139 + ... + 522543142.

Almost surely, 2^2090172562 is an apocalyptic number.

2090172562 is a deficient number, since it is larger than the sum of its proper divisors (1045086284).

2090172562 is a wasteful number, since it uses less digits than its factorization.

2090172562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045086283.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2090172562 is about 45718.4050684186. The cubic root of 2090172562 is about 1278.5784515382.

The spelling of 2090172562 in words is "two billion, ninety million, one hundred seventy-two thousand, five hundred sixty-two".