1372153431447 has 32 divisors (see below), whose sum is σ = 2037142249920. Its totient is φ = 912824640000.

The previous prime is 1372153431437. The next prime is 1372153431463. The reversal of 1372153431447 is 7441343512731.

1372153431447 is a `hidden beast` number, since 1 + 3 + 72 + 1 + 534 + 3 + 1 + 4 + 47 = 666.

It is not a de Polignac number, because 1372153431447 - 2⁸ = 1372153431191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372153431437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113950747 + ... + 113962787.

It is an arithmetic number, because the mean of its divisors is an integer number (63660695310).

Almost surely, 2^{1372153431447} is an apocalyptic number.

1372153431447 is a deficient number, since it is larger than the sum of its proper divisors (664988818473).

1372153431447 is a wasteful number, since it uses less digits than its factorization.

1372153431447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20672 (or 20666 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The spelling of 1372153431447 in words is "one trillion, three hundred seventy-two billion, one hundred fifty-three million, four hundred thirty-one thousand, four hundred forty-seven".