70413553381 has 4 divisors (see below), whose sum is σ = 72130957164. Its totient is φ = 68696149600.

The previous prime is 70413553289. The next prime is 70413553409. The reversal of 70413553381 is 18335531407.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35730450625 + 34683102756 = 189025^2 + 186234^2 .

It is a cyclic number.

It is not a de Polignac number, because 70413553381 - 2³¹ = 68266069733 is a prime.

It is a super-2 number, since 2×70413553381² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70413553781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858701830 + ... + 858701911.

It is an arithmetic number, because the mean of its divisors is an integer number (18032739291).

Almost surely, 2^70413553381 is an apocalyptic number.

It is an amenable number.

70413553381 is a deficient number, since it is larger than the sum of its proper divisors (1717403783).

70413553381 is a wasteful number, since it uses less digits than its factorization.

70413553381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717403782.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 70413553381 in words is "seventy billion, four hundred thirteen million, five hundred fifty-three thousand, three hundred eighty-one".