954920139409 has 2 divisors, whose sum is σ = 954920139410. Its totient is φ = 954920139408.

The previous prime is 954920139373. The next prime is 954920139427. The reversal of 954920139409 is 904931029459.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 925703758225 + 29216381184 = 962135^2 + 170928^2 .

It is a cyclic number.

It is not a de Polignac number, because 954920139409 - 2¹⁵ = 954920106641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 954920139409.

It is not a weakly prime, because it can be changed into another prime (954920139449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477460069704 + 477460069705.

It is an arithmetic number, because the mean of its divisors is an integer number (477460069705).

Almost surely, 2^954920139409 is an apocalyptic number.

It is an amenable number.

954920139409 is a deficient number, since it is larger than the sum of its proper divisors (1).

954920139409 is an equidigital number, since it uses as much as digits as its factorization.

954920139409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3149280, while the sum is 55.

The spelling of 954920139409 in words is "nine hundred fifty-four billion, nine hundred twenty million, one hundred thirty-nine thousand, four hundred nine".