7172741021249 has 8 divisors (see below), whose sum is σ = 7175055202560. Its totient is φ = 7170427225696.

The previous prime is 7172741021221. The next prime is 7172741021269. The reversal of 7172741021249 is 9421201472717.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7172741021249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7172741021219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39700292 + ... + 39880554.

It is an arithmetic number, because the mean of its divisors is an integer number (896881900320).

Almost surely, 2^{7172741021249} is an apocalyptic number.

It is an amenable number.

7172741021249 is a deficient number, since it is larger than the sum of its proper divisors (2314181311).

7172741021249 is a wasteful number, since it uses less digits than its factorization.

7172741021249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192879.

The product of its (nonzero) digits is 395136, while the sum is 47.

The spelling of 7172741021249 in words is "seven trillion, one hundred seventy-two billion, seven hundred forty-one million, twenty-one thousand, two hundred forty-nine".