1623562671713 has 2 divisors, whose sum is σ = 1623562671714. Its totient is φ = 1623562671712.

The previous prime is 1623562671649. The next prime is 1623562671769. The reversal of 1623562671713 is 3171762653261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 894968976784 + 728593694929 = 946028^2 + 853577^2 .

It is a cyclic number.

It is not a de Polignac number, because 1623562671713 - 2⁶ = 1623562671649 is a prime.

It is a super-2 number, since 2×1623562671713² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1623562671413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811781335856 + 811781335857.

It is an arithmetic number, because the mean of its divisors is an integer number (811781335857).

Almost surely, 2^{1623562671713} is an apocalyptic number.

It is an amenable number.

1623562671713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623562671713 is an equidigital number, since it uses as much as digits as its factorization.

1623562671713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 50.

The spelling of 1623562671713 in words is "one trillion, six hundred twenty-three billion, five hundred sixty-two million, six hundred seventy-one thousand, seven hundred thirteen".