10207750001 has 4 divisors (see below), whose sum is σ = 10208140404. Its totient is φ = 10207359600.

The previous prime is 10207749997. The next prime is 10207750027. The reversal of 10207750001 is 10005770201.

It is a happy number.

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 5155383601 + 5052366400 = 71801^2 + 71080^2 .

It is a cyclic number.

It is not a de Polignac number, because 10207750001 - 2² = 10207749997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10207750051) 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, 152930 + ... + 209291.

It is an arithmetic number, because the mean of its divisors is an integer number (2552035101).

Almost surely, 2^10207750001 is an apocalyptic number.

It is an amenable number.

10207750001 is a deficient number, since it is larger than the sum of its proper divisors (390403).

10207750001 is an equidigital number, since it uses as much as digits as its factorization.

10207750001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390402.

The product of its (nonzero) digits is 490, while the sum is 23.

The spelling of 10207750001 in words is "ten billion, two hundred seven million, seven hundred fifty thousand, one".