70430463665 has 32 divisors (see below), whose sum is σ = 88555537440. Its totient is φ = 53720064000.

The previous prime is 70430463659. The next prime is 70430463683. The reversal of 70430463665 is 56636403407.

It can be written as a sum of positive squares in 16 ways, for example, as 18624606784 + 51805856881 = 136472^2 + 227609^2 .

It is not a de Polignac number, because 70430463665 - 2¹⁸ = 70430201521 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3024065 + ... + 3047265.

It is an arithmetic number, because the mean of its divisors is an integer number (2767360545).

Almost surely, 2^70430463665 is an apocalyptic number.

It is an amenable number.

70430463665 is a deficient number, since it is larger than the sum of its proper divisors (18125073775).

70430463665 is a wasteful number, since it uses less digits than its factorization.

70430463665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23573.

The product of its (nonzero) digits is 1088640, while the sum is 44.

The spelling of 70430463665 in words is "seventy billion, four hundred thirty million, four hundred sixty-three thousand, six hundred sixty-five".