2075207137921 has 8 divisors (see below), whose sum is σ = 2197455042600. Its totient is φ = 1952978888448.

The previous prime is 2075207137907. The next prime is 2075207137951. The reversal of 2075207137921 is 1297317025702.

It can be written as a sum of positive squares in 4 ways, for example, as 10539896896 + 2064667241025 = 102664^2 + 1436895^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2075207137921 - 2⁵ = 2075207137889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2075207137901) 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, 4696146 + ... + 5119003.

It is an arithmetic number, because the mean of its divisors is an integer number (274681880325).

Almost surely, 2^{2075207137921} is an apocalyptic number.

It is an amenable number.

2075207137921 is a deficient number, since it is larger than the sum of its proper divisors (122247904679).

2075207137921 is a wasteful number, since it uses less digits than its factorization.

2075207137921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9827603.

The product of its (nonzero) digits is 370440, while the sum is 46.

The spelling of 2075207137921 in words is "two trillion, seventy-five billion, two hundred seven million, one hundred thirty-seven thousand, nine hundred twenty-one".