11900047933 has 8 divisors (see below), whose sum is σ = 12121396056. Its totient is φ = 11679547200.

The previous prime is 11900047931. The next prime is 11900047963. The reversal of 11900047933 is 33974000911.

It can be written as a sum of positive squares in 4 ways, for example, as 447195609 + 11452852324 = 21147^2 + 107018^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11900047933 - 2¹ = 11900047931 is a prime.

It is a super-2 number, since 2×11900047933² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11900047892 and 11900047901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11900047931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183466 + ... + 239707.

It is an arithmetic number, because the mean of its divisors is an integer number (1515174507).

Almost surely, 2^11900047933 is an apocalyptic number.

It is an amenable number.

11900047933 is a deficient number, since it is larger than the sum of its proper divisors (221348123).

11900047933 is an equidigital number, since it uses as much as digits as its factorization.

11900047933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423695.

The product of its (nonzero) digits is 20412, while the sum is 37.

The spelling of 11900047933 in words is "eleven billion, nine hundred million, forty-seven thousand, nine hundred thirty-three".