152442039949 has 2 divisors, whose sum is σ = 152442039950. Its totient is φ = 152442039948.

The previous prime is 152442039947. The next prime is 152442040013. The reversal of 152442039949 is 949930244251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111215580100 + 41226459849 = 333490^2 + 203043^2 .

It is a cyclic number.

It is not a de Polignac number, because 152442039949 - 2¹ = 152442039947 is a prime.

Together with 152442039947, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 152442039896 and 152442039905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152442039947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76221019974 + 76221019975.

It is an arithmetic number, because the mean of its divisors is an integer number (76221019975).

Almost surely, 2^152442039949 is an apocalyptic number.

It is an amenable number.

152442039949 is a deficient number, since it is larger than the sum of its proper divisors (1).

152442039949 is an equidigital number, since it uses as much as digits as its factorization.

152442039949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 152442039949 in words is "one hundred fifty-two billion, four hundred forty-two million, thirty-nine thousand, nine hundred forty-nine".