1421351093969 has 2 divisors, whose sum is σ = 1421351093970. Its totient is φ = 1421351093968.

The previous prime is 1421351093941. The next prime is 1421351093983. The reversal of 1421351093969 is 9693901531241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 869160914944 + 552190179025 = 932288^2 + 743095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1421351093969 is a prime.

It is a super-2 number, since 2×1421351093969² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1421351093969.

It is not a weakly prime, because it can be changed into another prime (1421351093269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710675546984 + 710675546985.

It is an arithmetic number, because the mean of its divisors is an integer number (710675546985).

Almost surely, 2^{1421351093969} is an apocalyptic number.

It is an amenable number.

1421351093969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421351093969 is an equidigital number, since it uses as much as digits as its factorization.

1421351093969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1574640, while the sum is 53.

The spelling of 1421351093969 in words is "one trillion, four hundred twenty-one billion, three hundred fifty-one million, ninety-three thousand, nine hundred sixty-nine".