1903426124269 has 2 divisors, whose sum is σ = 1903426124270. Its totient is φ = 1903426124268.

The previous prime is 1903426124191. The next prime is 1903426124279. The reversal of 1903426124269 is 9624216243091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1546254945225 + 357171179044 = 1243485^2 + 597638^2 .

It is a cyclic number.

It is not a de Polignac number, because 1903426124269 - 2¹⁷ = 1903425993197 is a prime.

It is a super-2 number, since 2×1903426124269² (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 (1903426124279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 951713062134 + 951713062135.

It is an arithmetic number, because the mean of its divisors is an integer number (951713062135).

Almost surely, 2^{1903426124269} is an apocalyptic number.

It is an amenable number.

1903426124269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1903426124269 is an equidigital number, since it uses as much as digits as its factorization.

1903426124269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 1903426124269 in words is "one trillion, nine hundred three billion, four hundred twenty-six million, one hundred twenty-four thousand, two hundred sixty-nine".