2107529797 has 4 divisors (see below), whose sum is σ = 2231502156. Its totient is φ = 1983557440.

The previous prime is 2107529779. The next prime is 2107529807. The reversal of 2107529797 is 7979257012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1512120996 + 595408801 = 38886^2 + 24401^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2107529797 is a prime.

It is a super-2 number, since 2×2107529797² = 8883363690485722418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2107529797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2107529777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61986154 + ... + 61986187.

It is an arithmetic number, because the mean of its divisors is an integer number (557875539).

Almost surely, 2^2107529797 is an apocalyptic number.

It is an amenable number.

2107529797 is a deficient number, since it is larger than the sum of its proper divisors (123972359).

2107529797 is a wasteful number, since it uses less digits than its factorization.

2107529797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123972358.

The product of its (nonzero) digits is 555660, while the sum is 49.

The square root of 2107529797 is about 45907.8402563222. The cubic root of 2107529797 is about 1282.1078950325.

The spelling of 2107529797 in words is "two billion, one hundred seven million, five hundred twenty-nine thousand, seven hundred ninety-seven".