5185013378 has 4 divisors (see below), whose sum is σ = 7777520070. Its totient is φ = 2592506688.

The previous prime is 5185013377. The next prime is 5185013419. The reversal of 5185013378 is 8733105815.

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., 5185008049 + 5329 = 72007^2 + 73^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5185013377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1296253343 + ... + 1296253346.

Almost surely, 2^5185013378 is an apocalyptic number.

5185013378 is a deficient number, since it is larger than the sum of its proper divisors (2592506692).

5185013378 is a wasteful number, since it uses less digits than its factorization.

5185013378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592506691.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 5185013378 is about 72007.0370033374. The cubic root of 5185013378 is about 1730.8122504769.

The spelling of 5185013378 in words is "five billion, one hundred eighty-five million, thirteen thousand, three hundred seventy-eight".