2512393678 has 4 divisors (see below), whose sum is σ = 3768590520. Its totient is φ = 1256196838.

The previous prime is 2512393657. The next prime is 2512393679. The reversal of 2512393678 is 8763932152.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512393679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628098418 + ... + 628098421.

It is an arithmetic number, because the mean of its divisors is an integer number (942147630).

Almost surely, 2^2512393678 is an apocalyptic number.

2512393678 is a deficient number, since it is larger than the sum of its proper divisors (1256196842).

2512393678 is a wasteful number, since it uses less digits than its factorization.

2512393678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256196841.

The product of its digits is 544320, while the sum is 46.

The square root of 2512393678 is about 50123.7835563119. The cubic root of 2512393678 is about 1359.4478868343.

The spelling of 2512393678 in words is "two billion, five hundred twelve million, three hundred ninety-three thousand, six hundred seventy-eight".