1999263752 has 16 divisors (see below), whose sum is σ = 3945915600. Its totient is φ = 947019600.

The previous prime is 1999263751. The next prime is 1999263757. The reversal of 1999263752 is 2573629991.

It is a super-2 number, since 2×1999263752² = 7994111100122235008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1999263694 and 1999263703.

It is not an unprimeable number, because it can be changed into a prime (1999263751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6576374 + ... + 6576677.

It is an arithmetic number, because the mean of its divisors is an integer number (246619725).

Almost surely, 2^1999263752 is an apocalyptic number.

It is an amenable number.

1999263752 is a deficient number, since it is larger than the sum of its proper divisors (1946651848).

1999263752 is a wasteful number, since it uses less digits than its factorization.

1999263752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13153076 (or 13153072 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 53.

The square root of 1999263752 is about 44713.1272894214. The cubic root of 1999263752 is about 1259.7664285279.

The spelling of 1999263752 in words is "one billion, nine hundred ninety-nine million, two hundred sixty-three thousand, seven hundred fifty-two".