1711023491 has 2 divisors, whose sum is σ = 1711023492. Its totient is φ = 1711023490.

The previous prime is 1711023481. The next prime is 1711023563. The reversal of 1711023491 is 1943201171.

It is a weak prime.

It is an emirp because it is prime and its reverse (1943201171) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1711023491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1711023401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 855511745 + 855511746.

It is an arithmetic number, because the mean of its divisors is an integer number (855511746).

Almost surely, 2^1711023491 is an apocalyptic number.

1711023491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1711023491 is an equidigital number, since it uses as much as digits as its factorization.

1711023491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1711023491 is about 41364.5197119464. The cubic root of 1711023491 is about 1196.0573127477.

The spelling of 1711023491 in words is "one billion, seven hundred eleven million, twenty-three thousand, four hundred ninety-one".