749506605947 has 16 divisors (see below), whose sum is σ = 819124639200. Its totient is φ = 680135850240.

The previous prime is 749506605923. The next prime is 749506605983.

749506605947 is nontrivially palindromic in base 10.

749506605947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 749506605947 - 2¹⁴ = 749506589563 is a prime.

It is a super-4 number, since 4×749506605947⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 749506605947.

It is not an unprimeable number, because it can be changed into a prime (749506605347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70776329 + ... + 70786917.

It is an arithmetic number, because the mean of its divisors is an integer number (51195289950).

Almost surely, 2^749506605947 is an apocalyptic number.

749506605947 is a deficient number, since it is larger than the sum of its proper divisors (69618033253).

749506605947 is a wasteful number, since it uses less digits than its factorization.

749506605947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21646.

The product of its (nonzero) digits is 57153600, while the sum is 62.

The spelling of 749506605947 in words is "seven hundred forty-nine billion, five hundred six million, six hundred five thousand, nine hundred forty-seven".