954618381923 has 2 divisors, whose sum is σ = 954618381924. Its totient is φ = 954618381922.

The previous prime is 954618381833. The next prime is 954618382009. The reversal of 954618381923 is 329183816459.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-954618381923 is a prime.

It is a super-2 number, since 2×954618381923² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (954618311923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477309190961 + 477309190962.

It is an arithmetic number, because the mean of its divisors is an integer number (477309190962).

Almost surely, 2^954618381923 is an apocalyptic number.

954618381923 is a deficient number, since it is larger than the sum of its proper divisors (1).

954618381923 is an equidigital number, since it uses as much as digits as its factorization.

954618381923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11197440, while the sum is 59.

The spelling of 954618381923 in words is "nine hundred fifty-four billion, six hundred eighteen million, three hundred eighty-one thousand, nine hundred twenty-three".