15450420353 has 2 divisors, whose sum is σ = 15450420354. Its totient is φ = 15450420352.

The previous prime is 15450420341. The next prime is 15450420379. The reversal of 15450420353 is 35302405451.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15127032064 + 323388289 = 122992^2 + 17983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15450420353 is a prime.

It is not a weakly prime, because it can be changed into another prime (15450420653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7725210176 + 7725210177.

It is an arithmetic number, because the mean of its divisors is an integer number (7725210177).

Almost surely, 2^15450420353 is an apocalyptic number.

It is an amenable number.

15450420353 is a deficient number, since it is larger than the sum of its proper divisors (1).

15450420353 is an equidigital number, since it uses as much as digits as its factorization.

15450420353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 15450420353 in words is "fifteen billion, four hundred fifty million, four hundred twenty thousand, three hundred fifty-three".