7172449520401 has 16 divisors (see below), whose sum is σ = 8237984644800. Its totient is φ = 6175970020800.

The previous prime is 7172449520381. The next prime is 7172449520441. The reversal of 7172449520401 is 1040259442717.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7172449520401 - 2²¹ = 7172447423249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7172449520441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2469430 + ... + 4521391.

It is an arithmetic number, because the mean of its divisors is an integer number (514874040300).

Almost surely, 2^{7172449520401} is an apocalyptic number.

It is an amenable number.

7172449520401 is a deficient number, since it is larger than the sum of its proper divisors (1065535124399).

7172449520401 is a wasteful number, since it uses less digits than its factorization.

7172449520401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6995760.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 7172449520401 in words is "seven trillion, one hundred seventy-two billion, four hundred forty-nine million, five hundred twenty thousand, four hundred one".