1451413121533 has 2 divisors, whose sum is σ = 1451413121534. Its totient is φ = 1451413121532.

The previous prime is 1451413121479. The next prime is 1451413121539. The reversal of 1451413121533 is 3351213141541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1348938227844 + 102474893689 = 1161438^2 + 320117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1451413121533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1451413121539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725706560766 + 725706560767.

It is an arithmetic number, because the mean of its divisors is an integer number (725706560767).

Almost surely, 2^{1451413121533} is an apocalyptic number.

It is an amenable number.

1451413121533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451413121533 is an equidigital number, since it uses as much as digits as its factorization.

1451413121533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 34.

The spelling of 1451413121533 in words is "one trillion, four hundred fifty-one billion, four hundred thirteen million, one hundred twenty-one thousand, five hundred thirty-three".