736861249052 has 48 divisors (see below), whose sum is σ = 1442494085760. Its totient is φ = 327677586432.

The previous prime is 736861249051. The next prime is 736861249063. The reversal of 736861249052 is 250942168637.

Added to its reverse (250942168637) it gives a square (987803417689 = 993883²).

It is a junction number, because it is equal to n+sod(n) for n = 736861248985 and 736861249003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (736861249051) 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 15 ways as a sum of consecutive naturals, for example, 3882443 + ... + 4067810.

It is an arithmetic number, because the mean of its divisors is an integer number (30051960120).

It is a 1-persistent number, because it is pandigital, but 2⋅736861249052 = 1473722498104 is not.

Almost surely, 2^736861249052 is an apocalyptic number.

It is an amenable number.

736861249052 is a deficient number, since it is larger than the sum of its proper divisors (705632836708).

736861249052 is a wasteful number, since it uses less digits than its factorization.

736861249052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7950350 (or 7950348 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

Adding to 736861249052 its reverse (250942168637), we get a square (987803417689 = 993883²).

The spelling of 736861249052 in words is "seven hundred thirty-six billion, eight hundred sixty-one million, two hundred forty-nine thousand, fifty-two".