900125788493 has 2 divisors, whose sum is σ = 900125788494. Its totient is φ = 900125788492.

The previous prime is 900125788459. The next prime is 900125788561. The reversal of 900125788493 is 394887521009.

900125788493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 746388867844 + 153736920649 = 863938^2 + 392093^2 .

It is a cyclic number.

It is not a de Polignac number, because 900125788493 - 2¹⁴ = 900125772109 is a prime.

It is a super-2 number, since 2×900125788493² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900125788993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450062894246 + 450062894247.

It is an arithmetic number, because the mean of its divisors is an integer number (450062894247).

Almost surely, 2^900125788493 is an apocalyptic number.

It is an amenable number.

900125788493 is a deficient number, since it is larger than the sum of its proper divisors (1).

900125788493 is an equidigital number, since it uses as much as digits as its factorization.

900125788493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 900125788493 in words is "nine hundred billion, one hundred twenty-five million, seven hundred eighty-eight thousand, four hundred ninety-three".