505973073950 has 24 divisors (see below), whose sum is σ = 941131385760. Its totient is φ = 202384612800.

The previous prime is 505973073871. The next prime is 505973073979. The reversal of 505973073950 is 59370379505.

It is a junction number, because it is equal to n+sod(n) for n = 505973073892 and 505973073901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2855546 + ... + 3027554.

It is an arithmetic number, because the mean of its divisors is an integer number (39213807740).

Almost surely, 2^505973073950 is an apocalyptic number.

505973073950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505973073950 is a deficient number, since it is larger than the sum of its proper divisors (435158311810).

505973073950 is a wasteful number, since it uses less digits than its factorization.

505973073950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230852 (or 230847 counting only the distinct ones).

The product of its (nonzero) digits is 4465125, while the sum is 53.

The spelling of 505973073950 in words is "five hundred five billion, nine hundred seventy-three million, seventy-three thousand, nine hundred fifty".