1421534473715 has 8 divisors (see below), whose sum is σ = 1760868509568. Its totient is φ = 1100542818240.

The previous prime is 1421534473703. The next prime is 1421534473721. The reversal of 1421534473715 is 5173744351241.

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

It is not a de Polignac number, because 1421534473715 - 2⁴ = 1421534473699 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 1421534473715.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4585594922 + ... + 4585595231.

It is an arithmetic number, because the mean of its divisors is an integer number (220108563696).

Almost surely, 2^{1421534473715} is an apocalyptic number.

1421534473715 is a deficient number, since it is larger than the sum of its proper divisors (339334035853).

1421534473715 is an equidigital number, since it uses as much as digits as its factorization.

1421534473715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9171190189.

The product of its digits is 1411200, while the sum is 47.

The spelling of 1421534473715 in words is "one trillion, four hundred twenty-one billion, five hundred thirty-four million, four hundred seventy-three thousand, seven hundred fifteen".