1954465717 has 2 divisors, whose sum is σ = 1954465718. Its totient is φ = 1954465716.

The previous prime is 1954465699. The next prime is 1954465727. The reversal of 1954465717 is 7175644591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1635878916 + 318586801 = 40446^2 + 17849^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1954465717 is a prime.

It is a super-3 number, since 3×1954465717³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1954465727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977232858 + 977232859.

It is an arithmetic number, because the mean of its divisors is an integer number (977232859).

Almost surely, 2^1954465717 is an apocalyptic number.

It is an amenable number.

1954465717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1954465717 is an equidigital number, since it uses as much as digits as its factorization.

1954465717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 49.

The square root of 1954465717 is about 44209.3397032799. The cubic root of 1954465717 is about 1250.2859542058.

The spelling of 1954465717 in words is "one billion, nine hundred fifty-four million, four hundred sixty-five thousand, seven hundred seventeen".