514845385378 has 4 divisors (see below), whose sum is σ = 772268078070. Its totient is φ = 257422692688.

The previous prime is 514845385349. The next prime is 514845385409. The reversal of 514845385378 is 873583548415.

It is a happy number.

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., 276567654609 + 238277730769 = 525897^2 + 488137^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128711346343 + ... + 128711346346.

Almost surely, 2^514845385378 is an apocalyptic number.

514845385378 is a deficient number, since it is larger than the sum of its proper divisors (257422692692).

514845385378 is a wasteful number, since it uses less digits than its factorization.

514845385378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257422692691.

The product of its digits is 64512000, while the sum is 61.

The spelling of 514845385378 in words is "five hundred fourteen billion, eight hundred forty-five million, three hundred eighty-five thousand, three hundred seventy-eight".