23528952735149 has 2 divisors, whose sum is σ = 23528952735150. Its totient is φ = 23528952735148.

The previous prime is 23528952735143. The next prime is 23528952735193. The reversal of 23528952735149 is 94153725982532.

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., 22782655441924 + 746297293225 = 4773118^2 + 863885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23528952735149 is a prime.

It is a super-2 number, since 2×23528952735149² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23528952735143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11764476367574 + 11764476367575.

It is an arithmetic number, because the mean of its divisors is an integer number (11764476367575).

Almost surely, 2^{23528952735149} is an apocalyptic number.

It is an amenable number.

23528952735149 is a deficient number, since it is larger than the sum of its proper divisors (1).

23528952735149 is an equidigital number, since it uses as much as digits as its factorization.

23528952735149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296000, while the sum is 65.

The spelling of 23528952735149 in words is "twenty-three trillion, five hundred twenty-eight billion, nine hundred fifty-two million, seven hundred thirty-five thousand, one hundred forty-nine".