1994913753 has 16 divisors (see below), whose sum is σ = 3114013056. Its totient is φ = 1112146560.

The previous prime is 1994913751. The next prime is 1994913769. The reversal of 1994913753 is 3573194991.

It is not a de Polignac number, because 1994913753 - 2¹ = 1994913751 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1994913696 and 1994913705.

It is not an unprimeable number, because it can be changed into a prime (1994913751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1157626 + ... + 1159347.

It is an arithmetic number, because the mean of its divisors is an integer number (194625816).

Almost surely, 2^1994913753 is an apocalyptic number.

It is an amenable number.

1994913753 is a deficient number, since it is larger than the sum of its proper divisors (1119099303).

1994913753 is a wasteful number, since it uses less digits than its factorization.

1994913753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317024.

The product of its digits is 918540, while the sum is 51.

The square root of 1994913753 is about 44664.4573794421. The cubic root of 1994913753 is about 1258.8520982801.

The spelling of 1994913753 in words is "one billion, nine hundred ninety-four million, nine hundred thirteen thousand, seven hundred fifty-three".