70368744457505 has 64 divisors (see below), whose sum is σ = 96604437222720. Its totient is φ = 48747021336576.

The previous prime is 70368744457483. The next prime is 70368744457511. The reversal of 70368744457505 is 50575444786307.

It is a happy number.

It can be written as a sum of positive squares in 32 ways, for example, as 18133766157376 + 52234978300129 = 4258376^2 + 7227377^2 .

It is a de Polignac number, because none of the positive numbers 2^k-70368744457505 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a Leyland number of the form 23⁴ + 4²³.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 539105129 + ... + 539235641.

It is an arithmetic number, because the mean of its divisors is an integer number (1509444331605).

Almost surely, 2^{70368744457505} is an apocalyptic number.

It is an amenable number.

70368744457505 is a deficient number, since it is larger than the sum of its proper divisors (26235692765215).

70368744457505 is a wasteful number, since it uses less digits than its factorization.

70368744457505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132150.

The product of its (nonzero) digits is 395136000, while the sum is 65.

The spelling of 70368744457505 in words is "seventy trillion, three hundred sixty-eight billion, seven hundred forty-four million, four hundred fifty-seven thousand, five hundred five".