1477436472221 has 8 divisors (see below), whose sum is σ = 1528946409600. Its totient is φ = 1425964125040.

The previous prime is 1477436472167. The next prime is 1477436472247. The reversal of 1477436472221 is 1222746347741.

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-1477436472221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1477436472221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1477436462221) 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, 9317561 + ... + 9474798.

It is an arithmetic number, because the mean of its divisors is an integer number (191118301200).

Almost surely, 2^{1477436472221} is an apocalyptic number.

It is an amenable number.

1477436472221 is a deficient number, since it is larger than the sum of its proper divisors (51509937379).

1477436472221 is a wasteful number, since it uses less digits than its factorization.

1477436472221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18795099.

The product of its digits is 3161088, while the sum is 50.

The spelling of 1477436472221 in words is "one trillion, four hundred seventy-seven billion, four hundred thirty-six million, four hundred seventy-two thousand, two hundred twenty-one".