1447198994719 has 8 divisors (see below), whose sum is σ = 1507150080000. Its totient is φ = 1387917754272.

The previous prime is 1447198994713. The next prime is 1447198994723. The reversal of 1447198994719 is 9174998917441.

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

It is a cyclic number.

It is not a de Polignac number, because 1447198994719 - 2¹⁷ = 1447198863647 is a prime.

It is a super-2 number, since 2×1447198994719² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1447198994713) 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, 167456799 + ... + 167465440.

It is an arithmetic number, because the mean of its divisors is an integer number (188393760000).

Almost surely, 2^{1447198994719} is an apocalyptic number.

1447198994719 is a deficient number, since it is larger than the sum of its proper divisors (59951085281).

1447198994719 is a wasteful number, since it uses less digits than its factorization.

1447198994719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334922417.

The product of its digits is 164602368, while the sum is 73.

The spelling of 1447198994719 in words is "one trillion, four hundred forty-seven billion, one hundred ninety-eight million, nine hundred ninety-four thousand, seven hundred nineteen".