1249452727364 has 6 divisors (see below), whose sum is σ = 2186542272894. Its totient is φ = 624726363680.

The previous prime is 1249452727361. The next prime is 1249452727379. The reversal of 1249452727364 is 4637272549421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 814127244100 + 435325483264 = 902290^2 + 659792^2 .

It is a super-2 number, since 2×1249452727364² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1249452727361) 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 as a sum of consecutive naturals, namely, 156181590917 + ... + 156181590924.

It is an arithmetic number, because the mean of its divisors is an integer number (364423712149).

Almost surely, 2^{1249452727364} is an apocalyptic number.

It is an amenable number.

1249452727364 is a deficient number, since it is larger than the sum of its proper divisors (937089545530).

1249452727364 is a wasteful number, since it uses less digits than its factorization.

1249452727364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312363181845 (or 312363181843 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 56.

The spelling of 1249452727364 in words is "one trillion, two hundred forty-nine billion, four hundred fifty-two million, seven hundred twenty-seven thousand, three hundred sixty-four".