70819513801 has 4 divisors (see below), whose sum is σ = 74985367572. Its totient is φ = 66653660032.

The previous prime is 70819513777. The next prime is 70819513819. The reversal of 70819513801 is 10831591807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10831591807 = 7877 ⋅1375091.

It can be written as a sum of positive squares in 2 ways, for example, as 49239610000 + 21579903801 = 221900^2 + 146901^2 .

It is a cyclic number.

It is not a de Polignac number, because 70819513801 - 2¹¹ = 70819511753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70819513001) 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, 2082926860 + ... + 2082926893.

It is an arithmetic number, because the mean of its divisors is an integer number (18746341893).

Almost surely, 2^70819513801 is an apocalyptic number.

It is an amenable number.

70819513801 is a deficient number, since it is larger than the sum of its proper divisors (4165853771).

70819513801 is a wasteful number, since it uses less digits than its factorization.

70819513801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165853770.

The product of its (nonzero) digits is 60480, while the sum is 43.

The spelling of 70819513801 in words is "seventy billion, eight hundred nineteen million, five hundred thirteen thousand, eight hundred one".