10025443457 has 2 divisors, whose sum is σ = 10025443458. Its totient is φ = 10025443456.

The previous prime is 10025443427. The next prime is 10025443511. The reversal of 10025443457 is 75434452001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9205251136 + 820192321 = 95944^2 + 28639^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10025443457 is a prime.

It is a super-2 number, since 2×10025443457² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10025443427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5012721728 + 5012721729.

It is an arithmetic number, because the mean of its divisors is an integer number (5012721729).

Almost surely, 2^10025443457 is an apocalyptic number.

It is an amenable number.

10025443457 is a deficient number, since it is larger than the sum of its proper divisors (1).

10025443457 is an equidigital number, since it uses as much as digits as its factorization.

10025443457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 35.

Adding to 10025443457 its reverse (75434452001), we get a palindrome (85459895458).

It can be divided in two parts, 1002544 and 3457, that added together give a palindrome (1006001).

The spelling of 10025443457 in words is "ten billion, twenty-five million, four hundred forty-three thousand, four hundred fifty-seven".