7021473913478 has 4 divisors (see below), whose sum is σ = 10532210870220. Its totient is φ = 3510736956738.

The previous prime is 7021473913411. The next prime is 7021473913507. The reversal of 7021473913478 is 8743193741207.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1755368478368 + ... + 1755368478371.

It is an arithmetic number, because the mean of its divisors is an integer number (2633052717555).

Almost surely, 2^{7021473913478} is an apocalyptic number.

7021473913478 is a deficient number, since it is larger than the sum of its proper divisors (3510736956742).

7021473913478 is a wasteful number, since it uses less digits than its factorization.

7021473913478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510736956741.

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 7021473913478 in words is "seven trillion, twenty-one billion, four hundred seventy-three million, nine hundred thirteen thousand, four hundred seventy-eight".