1521452004913 has 2 divisors, whose sum is σ = 1521452004914. Its totient is φ = 1521452004912.

The previous prime is 1521452004847. The next prime is 1521452005001. The reversal of 1521452004913 is 3194002541251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1485553881889 + 35898123024 = 1218833^2 + 189468^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1521452004913 is a prime.

It is a super-2 number, since 2×1521452004913² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1521452007913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760726002456 + 760726002457.

It is an arithmetic number, because the mean of its divisors is an integer number (760726002457).

Almost surely, 2^{1521452004913} is an apocalyptic number.

It is an amenable number.

1521452004913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1521452004913 is an equidigital number, since it uses as much as digits as its factorization.

1521452004913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 1521452004913 in words is "one trillion, five hundred twenty-one billion, four hundred fifty-two million, four thousand, nine hundred thirteen".