3685574911507 has 2 divisors, whose sum is σ = 3685574911508. Its totient is φ = 3685574911506.

The previous prime is 3685574911481. The next prime is 3685574911541. The reversal of 3685574911507 is 7051194755863.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3685574911507 - 2³¹ = 3683427427859 is a prime.

It is a super-2 number, since 2×3685574911507² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3685574912507) 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, 1842787455753 + 1842787455754.

It is an arithmetic number, because the mean of its divisors is an integer number (1842787455754).

Almost surely, 2^{3685574911507} is an apocalyptic number.

3685574911507 is a deficient number, since it is larger than the sum of its proper divisors (1).

3685574911507 is an equidigital number, since it uses as much as digits as its factorization.

3685574911507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752000, while the sum is 61.

The spelling of 3685574911507 in words is "three trillion, six hundred eighty-five billion, five hundred seventy-four million, nine hundred eleven thousand, five hundred seven".