954920139449 has 2 divisors, whose sum is σ = 954920139450. Its totient is φ = 954920139448.

The previous prime is 954920139427. The next prime is 954920139533. The reversal of 954920139449 is 944931029459.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 580979328400 + 373940811049 = 762220^2 + 611507^2 .

It is a cyclic number.

It is not a de Polignac number, because 954920139449 - 2³² = 950625172153 is a prime.

It is not a weakly prime, because it can be changed into another prime (954920139409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477460069724 + 477460069725.

It is an arithmetic number, because the mean of its divisors is an integer number (477460069725).

Almost surely, 2^954920139449 is an apocalyptic number.

It is an amenable number.

954920139449 is a deficient number, since it is larger than the sum of its proper divisors (1).

954920139449 is an equidigital number, since it uses as much as digits as its factorization.

954920139449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12597120, while the sum is 59.

The spelling of 954920139449 in words is "nine hundred fifty-four billion, nine hundred twenty million, one hundred thirty-nine thousand, four hundred forty-nine".