70366581289 has 27 divisors (see below), whose sum is σ = 74815889949. Its totient is φ = 66178811160.

The previous prime is 70366581287. The next prime is 70366581343. The reversal of 70366581289 is 98218566307.

The square root of 70366581289 is 265267.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 70366581289 - 2¹ = 70366581287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70366581287) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 353600812 + ... + 353601010.

It is an arithmetic number, because the mean of its divisors is an integer number (2770958887).

Almost surely, 2^70366581289 is an apocalyptic number.

70366581289 is the 265267-th square number.

70366581289 is the 132634-th centered octagonal number.

It is an amenable number.

70366581289 is a deficient number, since it is larger than the sum of its proper divisors (4449308660).

70366581289 is an frugal number, since it uses more digits than its factorization.

70366581289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 70366581289 in words is "seventy billion, three hundred sixty-six million, five hundred eighty-one thousand, two hundred eighty-nine".