30500536761 has 12 divisors (see below), whose sum is σ = 44352012900. Its totient is φ = 20197222560.

The previous prime is 30500536751. The next prime is 30500536799. The reversal of 30500536761 is 16763500503.

It is a happy number.

30500536761 is a `hidden beast` number, since 3 + 0 + 50 + 0 + 536 + 76 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7031828736 + 23468708025 = 83856^2 + 153195^2 .

It is not a de Polignac number, because 30500536761 - 2¹⁴ = 30500520377 is a prime.

It is a super-2 number, since 2×30500536761² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30500536751) 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 11 ways as a sum of consecutive naturals, for example, 11370970 + ... + 11373651.

It is an arithmetic number, because the mean of its divisors is an integer number (3696001075).

Almost surely, 2^30500536761 is an apocalyptic number.

It is an amenable number.

30500536761 is a deficient number, since it is larger than the sum of its proper divisors (13851476139).

30500536761 is a wasteful number, since it uses less digits than its factorization.

30500536761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22744776 (or 22744773 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The spelling of 30500536761 in words is "thirty billion, five hundred million, five hundred thirty-six thousand, seven hundred sixty-one".