4121161073437 has 2 divisors, whose sum is σ = 4121161073438. Its totient is φ = 4121161073436.

The previous prime is 4121161073423. The next prime is 4121161073479. The reversal of 4121161073437 is 7343701611214.

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., 4111530791481 + 9630281956 = 2027691^2 + 98134^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4121161073437 is a prime.

It is a super-2 number, since 2×4121161073437² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4121161073437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4121161073537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060580536718 + 2060580536719.

It is an arithmetic number, because the mean of its divisors is an integer number (2060580536719).

Almost surely, 2^{4121161073437} is an apocalyptic number.

It is an amenable number.

4121161073437 is a deficient number, since it is larger than the sum of its proper divisors (1).

4121161073437 is an equidigital number, since it uses as much as digits as its factorization.

4121161073437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 4121161073437 in words is "four trillion, one hundred twenty-one billion, one hundred sixty-one million, seventy-three thousand, four hundred thirty-seven".