190984500747 has 24 divisors (see below), whose sum is σ = 278560510800. Its totient is φ = 126080981568.

The previous prime is 190984500743. The next prime is 190984500761. The reversal of 190984500747 is 747005489091.

190984500747 is a `hidden beast` number, since 1 + 9 + 0 + 98 + 4 + 500 + 7 + 47 = 666.

It is not a de Polignac number, because 190984500747 - 2² = 190984500743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190984500693 and 190984500702.

It is not an unprimeable number, because it can be changed into a prime (190984500743) 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, 1643904 + ... + 1756242.

It is an arithmetic number, because the mean of its divisors is an integer number (11606687950).

Almost surely, 2^190984500747 is an apocalyptic number.

190984500747 is a deficient number, since it is larger than the sum of its proper divisors (87576010053).

190984500747 is a wasteful number, since it uses less digits than its factorization.

190984500747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114187 (or 114184 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 190984500747 in words is "one hundred ninety billion, nine hundred eighty-four million, five hundred thousand, seven hundred forty-seven".