70163233993 has 4 divisors (see below), whose sum is σ = 73213809408. Its totient is φ = 67112658580.

The previous prime is 70163233981. The next prime is 70163234021. The reversal of 70163233993 is 39933236107.

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: 39933236107 = 11981 ⋅3333047.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70163233993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70163233793) 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, 1525287673 + ... + 1525287718.

It is an arithmetic number, because the mean of its divisors is an integer number (18303452352).

Almost surely, 2^70163233993 is an apocalyptic number.

It is an amenable number.

70163233993 is a deficient number, since it is larger than the sum of its proper divisors (3050575415).

70163233993 is a wasteful number, since it uses less digits than its factorization.

70163233993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050575414.

The product of its (nonzero) digits is 551124, while the sum is 46.

The spelling of 70163233993 in words is "seventy billion, one hundred sixty-three million, two hundred thirty-three thousand, nine hundred ninety-three".