512139160993 has 8 divisors (see below), whose sum is σ = 517524588288. Its totient is φ = 506764827984.

The previous prime is 512139160991. The next prime is 512139160997. The reversal of 512139160993 is 399061931215.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 512139160993 - 2¹ = 512139160991 is a prime.

It is a super-2 number, since 2×512139160993² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512139160991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2680746 + ... + 2865427.

It is an arithmetic number, because the mean of its divisors is an integer number (64690573536).

Almost surely, 2^512139160993 is an apocalyptic number.

It is an amenable number.

512139160993 is a deficient number, since it is larger than the sum of its proper divisors (5385427295).

512139160993 is a wasteful number, since it uses less digits than its factorization.

512139160993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5547143.

The product of its (nonzero) digits is 393660, while the sum is 49.

The spelling of 512139160993 in words is "five hundred twelve billion, one hundred thirty-nine million, one hundred sixty thousand, nine hundred ninety-three".