1043925685013 has 2 divisors, whose sum is σ = 1043925685014. Its totient is φ = 1043925685012.

The previous prime is 1043925684899. The next prime is 1043925685039. The reversal of 1043925685013 is 3105865293401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1037460399364 + 6465285649 = 1018558^2 + 80407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043925685013 is a prime.

It is a super-2 number, since 2×1043925685013² (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 (1043925685613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521962842506 + 521962842507.

It is an arithmetic number, because the mean of its divisors is an integer number (521962842507).

Almost surely, 2^{1043925685013} is an apocalyptic number.

It is an amenable number.

1043925685013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043925685013 is an equidigital number, since it uses as much as digits as its factorization.

1043925685013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 1043925685013 in words is "one trillion, forty-three billion, nine hundred twenty-five million, six hundred eighty-five thousand, thirteen".