70543653427 has 8 divisors (see below), whose sum is σ = 75977627264. Its totient is φ = 65110756608.

The previous prime is 70543653409. The next prime is 70543653431. The reversal of 70543653427 is 72435634507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70543653427 - 2¹¹ = 70543651379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70543653457) 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 7 ways as a sum of consecutive naturals, for example, 130563 + ... + 397660.

It is an arithmetic number, because the mean of its divisors is an integer number (9497203408).

Almost surely, 2^70543653427 is an apocalyptic number.

70543653427 is a deficient number, since it is larger than the sum of its proper divisors (5433973837).

70543653427 is a wasteful number, since it uses less digits than its factorization.

70543653427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538509.

The product of its (nonzero) digits is 2116800, while the sum is 46.

The spelling of 70543653427 in words is "seventy billion, five hundred forty-three million, six hundred fifty-three thousand, four hundred twenty-seven".