70543891201 has 27 divisors (see below), whose sum is σ = 86650982019. Its totient is φ = 57255076368.

The previous prime is 70543891189. The next prime is 70543891211. The reversal of 70543891201 is 10219834507.

The square root of 70543891201 is 265601.

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

It can be written as a sum of positive squares in only one way, i.e., 1755191025 + 68788700176 = 41895^2 + 262276^2 .

It is not a de Polignac number, because 70543891201 - 2¹⁷ = 70543760129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70543891211) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 35323935 + ... + 35325931.

Almost surely, 2^70543891201 is an apocalyptic number.

70543891201 is the 265601-st square number.

70543891201 is the 132801-st centered octagonal number.

It is an amenable number.

70543891201 is a deficient number, since it is larger than the sum of its proper divisors (16107090818).

70543891201 is an frugal number, since it uses more digits than its factorization.

70543891201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046 (or 2023 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 70543891201 in words is "seventy billion, five hundred forty-three million, eight hundred ninety-one thousand, two hundred one".