4626778573791 has 24 divisors (see below), whose sum is σ = 7607667540096. Its totient is φ = 2682190476240.

The previous prime is 4626778573693. The next prime is 4626778573867. The reversal of 4626778573791 is 1973758776264.

4626778573791 is a `hidden beast` number, since 46 + 2 + 6 + 7 + 7 + 8 + 573 + 7 + 9 + 1 = 666.

It is not a de Polignac number, because 4626778573791 - 2³⁷ = 4489339620319 is a prime.

It is a super-3 number, since 3×4626778573791³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4626778573591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1015978965 + ... + 1015983518.

It is an arithmetic number, because the mean of its divisors is an integer number (316986147504).

Almost surely, 2^{4626778573791} is an apocalyptic number.

4626778573791 is a deficient number, since it is larger than the sum of its proper divisors (2980888966305).

4626778573791 is a wasteful number, since it uses less digits than its factorization.

4626778573791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031962523 (or 2031962520 counting only the distinct ones).

The product of its digits is 746807040, while the sum is 72.

The spelling of 4626778573791 in words is "four trillion, six hundred twenty-six billion, seven hundred seventy-eight million, five hundred seventy-three thousand, seven hundred ninety-one".