514436512240538 has 4 divisors (see below), whose sum is σ = 771654768360810. Its totient is φ = 257218256120268.

The previous prime is 514436512240531. The next prime is 514436512240633. The reversal of 514436512240538 is 835042215634415.

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., 375320219551489 + 139116292689049 = 19373183^2 + 11794757^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 514436512240538.

It is not an unprimeable number, because it can be changed into a prime (514436512240531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128609128060133 + ... + 128609128060136.

Almost surely, 2^{514436512240538} is an apocalyptic number.

514436512240538 is a deficient number, since it is larger than the sum of its proper divisors (257218256120272).

514436512240538 is a wasteful number, since it uses less digits than its factorization.

514436512240538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257218256120271.

The product of its (nonzero) digits is 13824000, while the sum is 53.

The spelling of 514436512240538 in words is "five hundred fourteen trillion, four hundred thirty-six billion, five hundred twelve million, two hundred forty thousand, five hundred thirty-eight".