1547207949272 has 16 divisors (see below), whose sum is σ = 2901346164600. Its totient is φ = 773515638720.

The previous prime is 1547207949271. The next prime is 1547207949281. The reversal of 1547207949272 is 2729497027451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1547207949271) 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 3 ways as a sum of consecutive naturals, for example, 10967522 + ... + 11107697.

Almost surely, 2^{1547207949272} is an apocalyptic number.

It is an amenable number.

1547207949272 is a deficient number, since it is larger than the sum of its proper divisors (1354138215328).

1547207949272 is a wasteful number, since it uses less digits than its factorization.

1547207949272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22083986 (or 22083982 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 59.

The spelling of 1547207949272 in words is "one trillion, five hundred forty-seven billion, two hundred seven million, nine hundred forty-nine thousand, two hundred seventy-two".