1992051347 has 16 divisors (see below), whose sum is σ = 2477980512. Its totient is φ = 1573317120.

The previous prime is 1992051329. The next prime is 1992051359. The reversal of 1992051347 is 7431502991.

It is a cyclic number.

It is not a de Polignac number, because 1992051347 - 2¹² = 1992047251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1992051307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407288 + ... + 412149.

It is an arithmetic number, because the mean of its divisors is an integer number (154873782).

Almost surely, 2^1992051347 is an apocalyptic number.

1992051347 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1992051347 is a deficient number, since it is larger than the sum of its proper divisors (485929165).

1992051347 is a wasteful number, since it uses less digits than its factorization.

1992051347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819478.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 1992051347 is about 44632.4024336580. The cubic root of 1992051347 is about 1258.2497212614.

The spelling of 1992051347 in words is "one billion, nine hundred ninety-two million, fifty-one thousand, three hundred forty-seven".