70083340691 has 24 divisors (see below), whose sum is σ = 90169626960. Its totient is φ = 53951873472.

The previous prime is 70083340673. The next prime is 70083340711. The reversal of 70083340691 is 19604338007.

It is a de Polignac number, because none of the positive numbers 2^k-70083340691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70083340661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1463201 + ... + 1510338.

It is an arithmetic number, because the mean of its divisors is an integer number (3757067790).

Almost surely, 2^70083340691 is an apocalyptic number.

70083340691 is a deficient number, since it is larger than the sum of its proper divisors (20086286269).

70083340691 is a wasteful number, since it uses less digits than its factorization.

70083340691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973603 (or 2973596 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

Adding to 70083340691 its reverse (19604338007), we get a palindrome (89687678698).

The spelling of 70083340691 in words is "seventy billion, eighty-three million, three hundred forty thousand, six hundred ninety-one".