501202441987 has 12 divisors (see below), whose sum is σ = 543354135240. Its totient is φ = 462109684608.

The previous prime is 501202441973. The next prime is 501202441991. The reversal of 501202441987 is 789144202105.

It is a de Polignac number, because none of the positive numbers 2^k-501202441987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501202441907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1581078 + ... + 1871419.

It is an arithmetic number, because the mean of its divisors is an integer number (45279511270).

Almost surely, 2^501202441987 is an apocalyptic number.

501202441987 is a deficient number, since it is larger than the sum of its proper divisors (42151693253).

501202441987 is a wasteful number, since it uses less digits than its factorization.

501202441987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453382 (or 3453369 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 501202441987 in words is "five hundred one billion, two hundred two million, four hundred forty-one thousand, nine hundred eighty-seven".