1447996651 has 8 divisors (see below), whose sum is σ = 1501416000. Its totient is φ = 1394809920.

The previous prime is 1447996643. The next prime is 1447996681. The reversal of 1447996651 is 1566997441.

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 1447996651 - 2³ = 1447996643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1447996601) 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, 45426 + ... + 70423.

It is an arithmetic number, because the mean of its divisors is an integer number (187677000).

Almost surely, 2^1447996651 is an apocalyptic number.

1447996651 is a deficient number, since it is larger than the sum of its proper divisors (53419349).

1447996651 is a wasteful number, since it uses less digits than its factorization.

1447996651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116309.

The product of its digits is 1632960, while the sum is 52.

The square root of 1447996651 is about 38052.5511759724. The cubic root of 1447996651 is about 1131.3296929664.

The spelling of 1447996651 in words is "one billion, four hundred forty-seven million, nine hundred ninety-six thousand, six hundred fifty-one".