70467745121 has 4 divisors (see below), whose sum is σ = 71433056772. Its totient is φ = 69502433472.

The previous prime is 70467745081. The next prime is 70467745123. The reversal of 70467745121 is 12154776407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12154776407 = 1109 ⋅10960123.

It can be written as a sum of positive squares in 2 ways, for example, as 37502259025 + 32965486096 = 193655^2 + 181564^2 .

It is a cyclic number.

It is not a de Polignac number, because 70467745121 - 2⁶ = 70467745057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70467745123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482655716 + ... + 482655861.

It is an arithmetic number, because the mean of its divisors is an integer number (17858264193).

Almost surely, 2^70467745121 is an apocalyptic number.

It is an amenable number.

70467745121 is a deficient number, since it is larger than the sum of its proper divisors (965311651).

70467745121 is an equidigital number, since it uses as much as digits as its factorization.

70467745121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965311650.

The product of its (nonzero) digits is 329280, while the sum is 44.

The spelling of 70467745121 in words is "seventy billion, four hundred sixty-seven million, seven hundred forty-five thousand, one hundred twenty-one".