1051343553979 has 2 divisors, whose sum is σ = 1051343553980. Its totient is φ = 1051343553978.

The previous prime is 1051343553977. The next prime is 1051343554021. The reversal of 1051343553979 is 9793553431501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1051343553979 - 2¹ = 1051343553977 is a prime.

It is a super-2 number, since 2×1051343553979² (a number of 25 digits) contains 22 as substring.

Together with 1051343553977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1051343553977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525671776989 + 525671776990.

It is an arithmetic number, because the mean of its divisors is an integer number (525671776990).

Almost surely, 2^{1051343553979} is an apocalyptic number.

1051343553979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051343553979 is an equidigital number, since it uses as much as digits as its factorization.

1051343553979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7654500, while the sum is 55.

The spelling of 1051343553979 in words is "one trillion, fifty-one billion, three hundred forty-three million, five hundred fifty-three thousand, nine hundred seventy-nine".