7453470134821 has 2 divisors, whose sum is σ = 7453470134822. Its totient is φ = 7453470134820.

The previous prime is 7453470134779. The next prime is 7453470134843. The reversal of 7453470134821 is 1284310743547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6880286380900 + 573183753921 = 2623030^2 + 757089^2 .

It is a cyclic number.

It is not a de Polignac number, because 7453470134821 - 2¹⁵ = 7453470102053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7453470134221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3726735067410 + 3726735067411.

It is an arithmetic number, because the mean of its divisors is an integer number (3726735067411).

Almost surely, 2^{7453470134821} is an apocalyptic number.

It is an amenable number.

7453470134821 is a deficient number, since it is larger than the sum of its proper divisors (1).

7453470134821 is an equidigital number, since it uses as much as digits as its factorization.

7453470134821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 7453470134821 in words is "seven trillion, four hundred fifty-three billion, four hundred seventy million, one hundred thirty-four thousand, eight hundred twenty-one".