70488381999 has 16 divisors (see below), whose sum is σ = 107453187072. Its totient is φ = 40263205728.

The previous prime is 70488381991. The next prime is 70488382009. The reversal of 70488381999 is 99918388407.

It is not a de Polignac number, because 70488381999 - 2³ = 70488381991 is a prime.

It is a super-2 number, since 2×70488381999² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70488381991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606564 + ... + 713369.

It is an arithmetic number, because the mean of its divisors is an integer number (6715824192).

Almost surely, 2^70488381999 is an apocalyptic number.

70488381999 is a deficient number, since it is larger than the sum of its proper divisors (36964805073).

70488381999 is a wasteful number, since it uses less digits than its factorization.

70488381999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322486.

The product of its (nonzero) digits is 31352832, while the sum is 66.

The spelling of 70488381999 in words is "seventy billion, four hundred eighty-eight million, three hundred eighty-one thousand, nine hundred ninety-nine".