501406795954 has 16 divisors (see below), whose sum is σ = 799093965600. Its totient is φ = 235288774944.

The previous prime is 501406795921. The next prime is 501406795991. The reversal of 501406795954 is 459597604105.

It is a junction number, because it is equal to n+sod(n) for n = 501406795895 and 501406795904.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 61654419 + ... + 61662550.

It is an arithmetic number, because the mean of its divisors is an integer number (49943372850).

Almost surely, 2^501406795954 is an apocalyptic number.

501406795954 is a deficient number, since it is larger than the sum of its proper divisors (297687169646).

501406795954 is a wasteful number, since it uses less digits than its factorization.

501406795954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123317097.

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 501406795954 in words is "five hundred one billion, four hundred six million, seven hundred ninety-five thousand, nine hundred fifty-four".