70620146156209 has 16 divisors (see below), whose sum is σ = 77488781851152. Its totient is φ = 63956741891328.

The previous prime is 70620146156179. The next prime is 70620146156213. The reversal of 70620146156209 is 90265164102607.

It can be written as a sum of positive squares in 8 ways, for example, as 7842604216225 + 62777541939984 = 2800465^2 + 7923228^2 .

It is not a de Polignac number, because 70620146156209 - 2¹⁷ = 70620146025137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70620146156249) 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 in 15 ways as a sum of consecutive naturals, for example, 39566319 + ... + 41312635.

It is an arithmetic number, because the mean of its divisors is an integer number (4843048865697).

Almost surely, 2^{70620146156209} is an apocalyptic number.

It is an amenable number.

70620146156209 is a deficient number, since it is larger than the sum of its proper divisors (6868635694943).

70620146156209 is a wasteful number, since it uses less digits than its factorization.

70620146156209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805076.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 70620146156209 in words is "seventy trillion, six hundred twenty billion, one hundred forty-six million, one hundred fifty-six thousand, two hundred nine".