4000734172447 has 2 divisors, whose sum is σ = 4000734172448. Its totient is φ = 4000734172446.

The previous prime is 4000734172429. The next prime is 4000734172481. The reversal of 4000734172447 is 7442714370004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4000734172447 - 2¹¹ = 4000734170399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4000734172427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000367086223 + 2000367086224.

It is an arithmetic number, because the mean of its divisors is an integer number (2000367086224).

Almost surely, 2^{4000734172447} is an apocalyptic number.

4000734172447 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000734172447 is an equidigital number, since it uses as much as digits as its factorization.

4000734172447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 526848, while the sum is 43.

The spelling of 4000734172447 in words is "four trillion, seven hundred thirty-four million, one hundred seventy-two thousand, four hundred forty-seven".