3689700475987 has 2 divisors, whose sum is σ = 3689700475988. Its totient is φ = 3689700475986.

The previous prime is 3689700475961. The next prime is 3689700476003. The reversal of 3689700475987 is 7895740079863.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3689700475987 is a prime.

It is a super-2 number, since 2×3689700475987² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3689760475987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1844850237993 + 1844850237994.

It is an arithmetic number, because the mean of its divisors is an integer number (1844850237994).

Almost surely, 2^{3689700475987} is an apocalyptic number.

3689700475987 is a deficient number, since it is larger than the sum of its proper divisors (1).

3689700475987 is an equidigital number, since it uses as much as digits as its factorization.

3689700475987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640120320, while the sum is 73.

The spelling of 3689700475987 in words is "three trillion, six hundred eighty-nine billion, seven hundred million, four hundred seventy-five thousand, nine hundred eighty-seven".