4000683622987 has 2 divisors, whose sum is σ = 4000683622988. Its totient is φ = 4000683622986.

The previous prime is 4000683622979. The next prime is 4000683622997. The reversal of 4000683622987 is 7892263860004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4000683622987 - 2³ = 4000683622979 is a prime.

It is not a weakly prime, because it can be changed into another prime (4000683622997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000341811493 + 2000341811494.

It is an arithmetic number, because the mean of its divisors is an integer number (2000341811494).

Almost surely, 2^{4000683622987} is an apocalyptic number.

4000683622987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000683622987 is an equidigital number, since it uses as much as digits as its factorization.

4000683622987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 4000683622987 in words is "four trillion, six hundred eighty-three million, six hundred twenty-two thousand, nine hundred eighty-seven".