70486874449 has 4 divisors (see below), whose sum is σ = 70572521536. Its totient is φ = 70401227364.

The previous prime is 70486874413. The next prime is 70486874483. The reversal of 70486874449 is 94447868407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94447868407 = 52453 ⋅1800619.

It is a cyclic number.

It is not a de Polignac number, because 70486874449 - 2⁷ = 70486874321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70486874489) 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, 42822309 + ... + 42823954.

It is an arithmetic number, because the mean of its divisors is an integer number (17643130384).

Almost surely, 2^70486874449 is an apocalyptic number.

It is an amenable number.

70486874449 is a deficient number, since it is larger than the sum of its proper divisors (85647087).

70486874449 is an equidigital number, since it uses as much as digits as its factorization.

70486874449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85647086.

The product of its (nonzero) digits is 43352064, while the sum is 61.

The spelling of 70486874449 in words is "seventy billion, four hundred eighty-six million, eight hundred seventy-four thousand, four hundred forty-nine".