1961550284 has 6 divisors (see below), whose sum is σ = 3432713004. Its totient is φ = 980775140.

The previous prime is 1961550281. The next prime is 1961550361. The reversal of 1961550284 is 4820551691.

It is not an unprimeable number, because it can be changed into a prime (1961550281) 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 as a sum of consecutive naturals, namely, 245193782 + ... + 245193789.

It is an arithmetic number, because the mean of its divisors is an integer number (572118834).

Almost surely, 2^1961550284 is an apocalyptic number.

It is an amenable number.

1961550284 is a deficient number, since it is larger than the sum of its proper divisors (1471162720).

1961550284 is a wasteful number, since it uses less digits than its factorization.

1961550284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490387575 (or 490387573 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 1961550284 is about 44289.3924546273. The cubic root of 1961550284 is about 1251.7948155961.

The spelling of 1961550284 in words is "one billion, nine hundred sixty-one million, five hundred fifty thousand, two hundred eighty-four".