1992560951 has 4 divisors (see below), whose sum is σ = 2097432600. Its totient is φ = 1887689304.

The previous prime is 1992560893. The next prime is 1992560953. The reversal of 1992560951 is 1590652991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1992560951 - 2¹⁸ = 1992298807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1992560896 and 1992560905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992560953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52435796 + ... + 52435833.

It is an arithmetic number, because the mean of its divisors is an integer number (524358150).

Almost surely, 2^1992560951 is an apocalyptic number.

1992560951 is a deficient number, since it is larger than the sum of its proper divisors (104871649).

1992560951 is a wasteful number, since it uses less digits than its factorization.

1992560951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104871648.

The product of its (nonzero) digits is 218700, while the sum is 47.

The square root of 1992560951 is about 44638.1109703357. The cubic root of 1992560951 is about 1258.3570067190.

The spelling of 1992560951 in words is "one billion, nine hundred ninety-two million, five hundred sixty thousand, nine hundred fifty-one".