505363641554 has 16 divisors (see below), whose sum is σ = 758711753856. Its totient is φ = 252459799200.

The previous prime is 505363641551. The next prime is 505363641571. The reversal of 505363641554 is 455146363505.

It is a junction number, because it is equal to n+sod(n) for n = 505363641499 and 505363641508.

It is not an unprimeable number, because it can be changed into a prime (505363641551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16354739 + ... + 16385609.

It is an arithmetic number, because the mean of its divisors is an integer number (47419484616).

Almost surely, 2^505363641554 is an apocalyptic number.

505363641554 is a deficient number, since it is larger than the sum of its proper divisors (253348112302).

505363641554 is a wasteful number, since it uses less digits than its factorization.

505363641554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37801.

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 505363641554 in words is "five hundred five billion, three hundred sixty-three million, six hundred forty-one thousand, five hundred fifty-four".