70051650671 has 4 divisors (see below), whose sum is σ = 70086731112. Its totient is φ = 70016570232.

The previous prime is 70051650659. The next prime is 70051650701. The reversal of 70051650671 is 17605615007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17605615007 = 61261 ⋅287387.

It is a cyclic number.

It is not a de Polignac number, because 70051650671 - 2³⁰ = 68977908847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70051650271) 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, 17537225 + ... + 17541218.

It is an arithmetic number, because the mean of its divisors is an integer number (17521682778).

Almost surely, 2^70051650671 is an apocalyptic number.

70051650671 is a deficient number, since it is larger than the sum of its proper divisors (35080441).

70051650671 is a wasteful number, since it uses less digits than its factorization.

70051650671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35080440.

The product of its (nonzero) digits is 44100, while the sum is 38.

The spelling of 70051650671 in words is "seventy billion, fifty-one million, six hundred fifty thousand, six hundred seventy-one".