10126938457 has 2 divisors, whose sum is σ = 10126938458. Its totient is φ = 10126938456.

The previous prime is 10126938449. The next prime is 10126938509. The reversal of 10126938457 is 75483962101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10026217161 + 100721296 = 100131^2 + 10036^2 .

It is a cyclic number.

It is not a de Polignac number, because 10126938457 - 2³ = 10126938449 is a prime.

It is not a weakly prime, because it can be changed into another prime (10126938407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5063469228 + 5063469229.

It is an arithmetic number, because the mean of its divisors is an integer number (5063469229).

It is a 2-persistent number, because it is pandigital, and so is 2⋅10126938457 = 20253876914, but 3⋅10126938457 = 30380815371 is not.

Almost surely, 2^10126938457 is an apocalyptic number.

It is an amenable number.

10126938457 is a deficient number, since it is larger than the sum of its proper divisors (1).

10126938457 is an equidigital number, since it uses as much as digits as its factorization.

10126938457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 10126938457 in words is "ten billion, one hundred twenty-six million, nine hundred thirty-eight thousand, four hundred fifty-seven".