3603940125073 has 2 divisors, whose sum is σ = 3603940125074. Its totient is φ = 3603940125072.

The previous prime is 3603940125043. The next prime is 3603940125113. The reversal of 3603940125073 is 3705210493063.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2707314833664 + 896625291409 = 1645392^2 + 946903^2 .

It is a cyclic number.

It is not a de Polignac number, because 3603940125073 - 2¹⁷ = 3603939994001 is a prime.

It is a super-2 number, since 2×3603940125073² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3603940125043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1801970062536 + 1801970062537.

It is an arithmetic number, because the mean of its divisors is an integer number (1801970062537).

Almost surely, 2^{3603940125073} is an apocalyptic number.

It is an amenable number.

3603940125073 is a deficient number, since it is larger than the sum of its proper divisors (1).

3603940125073 is an equidigital number, since it uses as much as digits as its factorization.

3603940125073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 43.

The spelling of 3603940125073 in words is "three trillion, six hundred three billion, nine hundred forty million, one hundred twenty-five thousand, seventy-three".