70381911384 has 96 divisors (see below), whose sum is σ = 192596401920. Its totient is φ = 23217409728.

The previous prime is 70381911373. The next prime is 70381911401. The reversal of 70381911384 is 48311918307.

It is a super-2 number, since 2×70381911384² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18293349 + ... + 18297195.

It is an arithmetic number, because the mean of its divisors is an integer number (2006212520).

Almost surely, 2^70381911384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70381911384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96298200960).

70381911384 is an abundant number, since it is smaller than the sum of its proper divisors (122214490536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70381911384 is a wasteful number, since it uses less digits than its factorization.

70381911384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6429 (or 6422 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 70381911384 in words is "seventy billion, three hundred eighty-one million, nine hundred eleven thousand, three hundred eighty-four".