2547473372 has 6 divisors (see below), whose sum is σ = 4458078408. Its totient is φ = 1273736684.

The previous prime is 2547473371. The next prime is 2547473407. The reversal of 2547473372 is 2733747452.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2547473371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318434168 + ... + 318434175.

It is an arithmetic number, because the mean of its divisors is an integer number (743013068).

Almost surely, 2^2547473372 is an apocalyptic number.

It is an amenable number.

2547473372 is a deficient number, since it is larger than the sum of its proper divisors (1910605036).

2547473372 is a wasteful number, since it uses less digits than its factorization.

2547473372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636868347 (or 636868345 counting only the distinct ones).

The product of its digits is 987840, while the sum is 44.

The square root of 2547473372 is about 50472.5011466640. The cubic root of 2547473372 is about 1365.7458338217.

The spelling of 2547473372 in words is "two billion, five hundred forty-seven million, four hundred seventy-three thousand, three hundred seventy-two".