70043817101 has 4 divisors (see below), whose sum is σ = 72303295104. Its totient is φ = 67784339100.

The previous prime is 70043817089. The next prime is 70043817313. The reversal of 70043817101 is 10171834007.

It is a happy number.

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: 10171834007 = 3461 ⋅2938987.

It is a cyclic number.

It is not a de Polignac number, because 70043817101 - 2⁶ = 70043817037 is a prime.

It is a super-2 number, since 2×70043817101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70043817601) 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, 1129738955 + ... + 1129739016.

It is an arithmetic number, because the mean of its divisors is an integer number (18075823776).

Almost surely, 2^70043817101 is an apocalyptic number.

It is an amenable number.

70043817101 is a deficient number, since it is larger than the sum of its proper divisors (2259478003).

70043817101 is a wasteful number, since it uses less digits than its factorization.

70043817101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259478002.

The product of its (nonzero) digits is 4704, while the sum is 32.

The spelling of 70043817101 in words is "seventy billion, forty-three million, eight hundred seventeen thousand, one hundred one".