999949000757 has 4 divisors (see below), whose sum is σ = 1142798858016. Its totient is φ = 857099143500.

The previous prime is 999949000727. The next prime is 999949000777. The reversal of 999949000757 is 757000949999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 999949000757 - 2⁶ = 999949000693 is a prime.

It is a super-2 number, since 2×999949000757² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999949000727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71424928619 + ... + 71424928632.

It is an arithmetic number, because the mean of its divisors is an integer number (285699714504).

Almost surely, 2^999949000757 is an apocalyptic number.

It is an amenable number.

999949000757 is a deficient number, since it is larger than the sum of its proper divisors (142849857259).

999949000757 is a wasteful number, since it uses less digits than its factorization.

999949000757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142849857258.

The product of its (nonzero) digits is 57868020, while the sum is 68.

The spelling of 999949000757 in words is "nine hundred ninety-nine billion, nine hundred forty-nine million, seven hundred fifty-seven", and thus it is an aban number.