1431064423457 has 2 divisors, whose sum is σ = 1431064423458. Its totient is φ = 1431064423456.

The previous prime is 1431064423409. The next prime is 1431064423471. The reversal of 1431064423457 is 7543244601341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1413806609296 + 17257814161 = 1189036^2 + 131369^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431064423457 - 2²⁴ = 1431047646241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1431064423057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715532211728 + 715532211729.

It is an arithmetic number, because the mean of its divisors is an integer number (715532211729).

Almost surely, 2^{1431064423457} is an apocalyptic number.

It is an amenable number.

1431064423457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431064423457 is an equidigital number, since it uses as much as digits as its factorization.

1431064423457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 1431064423457 in words is "one trillion, four hundred thirty-one billion, sixty-four million, four hundred twenty-three thousand, four hundred fifty-seven".