7453470434821 has 4 divisors (see below), whose sum is σ = 7492089452812. Its totient is φ = 7414851416832.

The previous prime is 7453470434759. The next prime is 7453470434843. The reversal of 7453470434821 is 1284340743547.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4496838330625 + 2956632104196 = 2120575^2 + 1719486^2 .

It is a cyclic number.

It is not a de Polignac number, because 7453470434821 - 2³³ = 7444880500229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7453470134821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19309508706 + ... + 19309509091.

It is an arithmetic number, because the mean of its divisors is an integer number (1873022363203).

Almost surely, 2^{7453470434821} is an apocalyptic number.

It is an amenable number.

7453470434821 is a deficient number, since it is larger than the sum of its proper divisors (38619017991).

7453470434821 is a wasteful number, since it uses less digits than its factorization.

7453470434821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38619017990.

The product of its (nonzero) digits is 9031680, while the sum is 52.

The spelling of 7453470434821 in words is "seven trillion, four hundred fifty-three billion, four hundred seventy million, four hundred thirty-four thousand, eight hundred twenty-one".