20250130493 has 2 divisors, whose sum is σ = 20250130494. Its totient is φ = 20250130492.

The previous prime is 20250130487. The next prime is 20250130553. The reversal of 20250130493 is 39403105202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17223150169 + 3026980324 = 131237^2 + 55018^2 .

It is a cyclic number.

It is not a de Polignac number, because 20250130493 - 2⁶ = 20250130429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20250130463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10125065246 + 10125065247.

It is an arithmetic number, because the mean of its divisors is an integer number (10125065247).

Almost surely, 2^20250130493 is an apocalyptic number.

It is an amenable number.

20250130493 is a deficient number, since it is larger than the sum of its proper divisors (1).

20250130493 is an equidigital number, since it uses as much as digits as its factorization.

20250130493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 20250130493 its reverse (39403105202), we get a palindrome (59653235695).

The spelling of 20250130493 in words is "twenty billion, two hundred fifty million, one hundred thirty thousand, four hundred ninety-three".