977142503733443 has 2 divisors, whose sum is σ = 977142503733444. Its totient is φ = 977142503733442.

The previous prime is 977142503733421. The next prime is 977142503733509. The reversal of 977142503733443 is 344337305241779.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 977142503733443 - 2²⁰ = 977142502684867 is a prime.

It is not a weakly prime, because it can be changed into another prime (977142503735443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488571251866721 + 488571251866722.

It is an arithmetic number, because the mean of its divisors is an integer number (488571251866722).

Almost surely, 2^{977142503733443} is an apocalyptic number.

977142503733443 is a deficient number, since it is larger than the sum of its proper divisors (1).

977142503733443 is an equidigital number, since it uses as much as digits as its factorization.

977142503733443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160030080, while the sum is 62.

The spelling of 977142503733443 in words is "nine hundred seventy-seven trillion, one hundred forty-two billion, five hundred three million, seven hundred thirty-three thousand, four hundred forty-three".