1996495047 has 36 divisors (see below), whose sum is σ = 3047966376. Its totient is φ = 1305609840.

The previous prime is 1996495037. The next prime is 1996495057. The reversal of 1996495047 is 7405946991.

It is a happy number.

1996495047 is a `hidden beast` number, since 1 + 9 + 96 + 49 + 504 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (1996495037) and next prime (1996495057).

It is not a de Polignac number, because 1996495047 - 2¹¹ = 1996492999 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1996494984 and 1996495002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996495027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5439858 + ... + 5440224.

Almost surely, 2^1996495047 is an apocalyptic number.

1996495047 is a deficient number, since it is larger than the sum of its proper divisors (1051471329).

1996495047 is an frugal number, since it uses more digits than its factorization.

1996495047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 1996495047 is about 44682.1558007221. The cubic root of 1996495047 is about 1259.1846255278.

The spelling of 1996495047 in words is "one billion, nine hundred ninety-six million, four hundred ninety-five thousand, forty-seven".