152534951989 has 4 divisors (see below), whose sum is σ = 174325659424. Its totient is φ = 130744244556.

The previous prime is 152534951981. The next prime is 152534952023. The reversal of 152534951989 is 989159435251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 152534951989 - 2³ = 152534951981 is a prime.

It is a super-2 number, since 2×152534951989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152534951981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10895353707 + ... + 10895353720.

It is an arithmetic number, because the mean of its divisors is an integer number (43581414856).

Almost surely, 2^152534951989 is an apocalyptic number.

It is an amenable number.

152534951989 is a deficient number, since it is larger than the sum of its proper divisors (21790707435).

152534951989 is an equidigital number, since it uses as much as digits as its factorization.

152534951989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21790707434.

The product of its digits is 17496000, while the sum is 61.

The spelling of 152534951989 in words is "one hundred fifty-two billion, five hundred thirty-four million, nine hundred fifty-one thousand, nine hundred eighty-nine".