512956942954 has 4 divisors (see below), whose sum is σ = 769435414434. Its totient is φ = 256478471476.

The previous prime is 512956942951. The next prime is 512956942999. The reversal of 512956942954 is 459249659215.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 318632025625 + 194324917329 = 564475^2 + 440823^2 .

It is a super-2 number, since 2×512956942954² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 512956942892 and 512956942901.

It is not an unprimeable number, because it can be changed into a prime (512956942951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128239235737 + ... + 128239235740.

Almost surely, 2^512956942954 is an apocalyptic number.

512956942954 is a deficient number, since it is larger than the sum of its proper divisors (256478471480).

512956942954 is a wasteful number, since it uses less digits than its factorization.

512956942954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256478471479.

The product of its digits is 34992000, while the sum is 61.

The spelling of 512956942954 in words is "five hundred twelve billion, nine hundred fifty-six million, nine hundred forty-two thousand, nine hundred fifty-four".