2107960997 has 4 divisors (see below), whose sum is σ = 2147733900. Its totient is φ = 2068188096.

The previous prime is 2107960973. The next prime is 2107960999. The reversal of 2107960997 is 7990697012.

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 1276561441 + 831399556 = 35729^2 + 28834^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2107960997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2107960999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19886372 + ... + 19886477.

It is an arithmetic number, because the mean of its divisors is an integer number (536933475).

Almost surely, 2^2107960997 is an apocalyptic number.

It is an amenable number.

2107960997 is a deficient number, since it is larger than the sum of its proper divisors (39772903).

2107960997 is an equidigital number, since it uses as much as digits as its factorization.

2107960997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39772902.

The product of its (nonzero) digits is 428652, while the sum is 50.

The square root of 2107960997 is about 45912.5363816899. The cubic root of 2107960997 is about 1282.1953287073.

The spelling of 2107960997 in words is "two billion, one hundred seven million, nine hundred sixty thousand, nine hundred ninety-seven".