4687938397937 has 2 divisors, whose sum is σ = 4687938397938. Its totient is φ = 4687938397936.

The previous prime is 4687938397913. The next prime is 4687938397979. The reversal of 4687938397937 is 7397938397864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4648685278561 + 39253119376 = 2156081^2 + 198124^2 .

It is a cyclic number.

It is not a de Polignac number, because 4687938397937 - 2¹⁰ = 4687938396913 is a prime.

It is not a weakly prime, because it can be changed into another prime (4687938397997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2343969198968 + 2343969198969.

It is an arithmetic number, because the mean of its divisors is an integer number (2343969198969).

Almost surely, 2^{4687938397937} is an apocalyptic number.

It is an amenable number.

4687938397937 is a deficient number, since it is larger than the sum of its proper divisors (1).

4687938397937 is an equidigital number, since it uses as much as digits as its factorization.

4687938397937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10369949184, while the sum is 83.

The spelling of 4687938397937 in words is "four trillion, six hundred eighty-seven billion, nine hundred thirty-eight million, three hundred ninety-seven thousand, nine hundred thirty-seven".