1421530766343 has 12 divisors (see below), whose sum is σ = 2073652142328. Its totient is φ = 938304135600.

The previous prime is 1421530766311. The next prime is 1421530766351. The reversal of 1421530766343 is 3436670351241.

1421530766343 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 5 + 3 + 0 + 7 + 6 + 634 + 3 = 666.

It is not a de Polignac number, because 1421530766343 - 2⁵ = 1421530766311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421530766353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 781919205 + ... + 781921022.

It is an arithmetic number, because the mean of its divisors is an integer number (172804345194).

Almost surely, 2^{1421530766343} is an apocalyptic number.

1421530766343 is a deficient number, since it is larger than the sum of its proper divisors (652121375985).

1421530766343 is a wasteful number, since it uses less digits than its factorization.

1421530766343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563840334 (or 1563840331 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 1421530766343 in words is "one trillion, four hundred twenty-one billion, five hundred thirty million, seven hundred sixty-six thousand, three hundred forty-three".