3500250866138 has 16 divisors (see below), whose sum is σ = 5654613835080. Its totient is φ = 1615396846656.

The previous prime is 3500250866129. The next prime is 3500250866149. The reversal of 3500250866138 is 8316680520053.

It can be written as a sum of positive squares in 4 ways, for example, as 3490197394849 + 10053471289 = 1868207^2 + 100267^2 .

It is a super-2 number, since 2×3500250866138² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3500250866092 and 3500250866101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3900545 + ... + 4713252.

Almost surely, 2^{3500250866138} is an apocalyptic number.

3500250866138 is a deficient number, since it is larger than the sum of its proper divisors (2154362968942).

3500250866138 is a wasteful number, since it uses less digits than its factorization.

3500250866138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8629441.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 3500250866138 in words is "three trillion, five hundred billion, two hundred fifty million, eight hundred sixty-six thousand, one hundred thirty-eight".