4001870368513 has 2 divisors, whose sum is σ = 4001870368514. Its totient is φ = 4001870368512.

The previous prime is 4001870368453. The next prime is 4001870368519. The reversal of 4001870368513 is 3158630781004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3764868866929 + 237001501584 = 1940327^2 + 486828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4001870368513 is a prime.

It is not a weakly prime, because it can be changed into another prime (4001870368519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000935184256 + 2000935184257.

It is an arithmetic number, because the mean of its divisors is an integer number (2000935184257).

Almost surely, 2^{4001870368513} is an apocalyptic number.

It is an amenable number.

4001870368513 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001870368513 is an equidigital number, since it uses as much as digits as its factorization.

4001870368513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 4001870368513 in words is "four trillion, one billion, eight hundred seventy million, three hundred sixty-eight thousand, five hundred thirteen".