42803773038149 has 2 divisors, whose sum is σ = 42803773038150. Its totient is φ = 42803773038148.

The previous prime is 42803773038137. The next prime is 42803773038241. The reversal of 42803773038149 is 94183037730824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40538778138049 + 2264994900100 = 6367007^2 + 1504990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42803773038149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42803773038449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21401886519074 + 21401886519075.

It is an arithmetic number, because the mean of its divisors is an integer number (21401886519075).

Almost surely, 2^{42803773038149} is an apocalyptic number.

It is an amenable number.

42803773038149 is a deficient number, since it is larger than the sum of its proper divisors (1).

42803773038149 is an equidigital number, since it uses as much as digits as its factorization.

42803773038149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24385536, while the sum is 59.

The spelling of 42803773038149 in words is "forty-two trillion, eight hundred three billion, seven hundred seventy-three million, thirty-eight thousand, one hundred forty-nine".