22938690047149 has 2 divisors, whose sum is σ = 22938690047150. Its totient is φ = 22938690047148.

The previous prime is 22938690047107. The next prime is 22938690047183. The reversal of 22938690047149 is 94174009683922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19454053955625 + 3484636091524 = 4410675^2 + 1866718^2 .

It is a cyclic number.

It is not a de Polignac number, because 22938690047149 - 2²¹ = 22938687949997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22938690047549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11469345023574 + 11469345023575.

It is an arithmetic number, because the mean of its divisors is an integer number (11469345023575).

Almost surely, 2^{22938690047149} is an apocalyptic number.

It is an amenable number.

22938690047149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22938690047149 is an equidigital number, since it uses as much as digits as its factorization.

22938690047149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47029248, while the sum is 64.

The spelling of 22938690047149 in words is "twenty-two trillion, nine hundred thirty-eight billion, six hundred ninety million, forty-seven thousand, one hundred forty-nine".