70948438713 has 24 divisors (see below), whose sum is σ = 104904319520. Its totient is φ = 46181378880.

The previous prime is 70948438709. The next prime is 70948438739. The reversal of 70948438713 is 31783484907.

70948438713 is a `hidden beast` number, since 70 + 9 + 484 + 3 + 87 + 13 = 666.

It is not a de Polignac number, because 70948438713 - 2² = 70948438709 is a prime.

It is a super-3 number, since 3×70948438713³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70948438713.

It is not an unprimeable number, because it can be changed into a prime (70948438013) 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, 1023333 + ... + 1090461.

Almost surely, 2^70948438713 is an apocalyptic number.

It is an amenable number.

70948438713 is a deficient number, since it is larger than the sum of its proper divisors (33955880807).

70948438713 is a wasteful number, since it uses less digits than its factorization.

70948438713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69909 (or 69906 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 70948438713 in words is "seventy billion, nine hundred forty-eight million, four hundred thirty-eight thousand, seven hundred thirteen".