1994506365 has 32 divisors (see below), whose sum is σ = 3339334656. Its totient is φ = 1015303680.

The previous prime is 1994506363. The next prime is 1994506373. The reversal of 1994506365 is 5636054991.

It is a happy number.

It is not a de Polignac number, because 1994506365 - 2¹ = 1994506363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994506363) 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 31 ways as a sum of consecutive naturals, for example, 4567 + ... + 63323.

It is an arithmetic number, because the mean of its divisors is an integer number (104354208).

Almost surely, 2^1994506365 is an apocalyptic number.

1994506365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1994506365 is a deficient number, since it is larger than the sum of its proper divisors (1344828291).

1994506365 is a wasteful number, since it uses less digits than its factorization.

1994506365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58869.

The product of its (nonzero) digits is 874800, while the sum is 48.

The square root of 1994506365 is about 44659.8966075830. The cubic root of 1994506365 is about 1258.7664009826.

The spelling of 1994506365 in words is "one billion, nine hundred ninety-four million, five hundred six thousand, three hundred sixty-five".