512153129770 has 8 divisors (see below), whose sum is σ = 921875633604. Its totient is φ = 204861251904.

The previous prime is 512153129699. The next prime is 512153129771. The reversal of 512153129770 is 77921351215.

It can be written as a sum of positive squares in 2 ways, for example, as 465586510921 + 46566618849 = 682339^2 + 215793^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (512153129771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25607656479 + ... + 25607656498.

Almost surely, 2^512153129770 is an apocalyptic number.

512153129770 is a deficient number, since it is larger than the sum of its proper divisors (409722503834).

512153129770 is a wasteful number, since it uses less digits than its factorization.

512153129770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51215312984.

The product of its (nonzero) digits is 132300, while the sum is 43.

The spelling of 512153129770 in words is "five hundred twelve billion, one hundred fifty-three million, one hundred twenty-nine thousand, seven hundred seventy".