501354399013 has 6 divisors (see below), whose sum is σ = 542886716274. Its totient is φ = 462788675856.

The previous prime is 501354398971. The next prime is 501354399023. The reversal of 501354399013 is 310993453105.

It can be written as a sum of positive squares in 3 ways, for example, as 23330118564 + 478024280449 = 152742^2 + 691393^2 .

It is not a de Polignac number, because 501354399013 - 2¹³ = 501354390821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501354399023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1483296870 + ... + 1483297207.

It is an arithmetic number, because the mean of its divisors is an integer number (90481119379).

Almost surely, 2^501354399013 is an apocalyptic number.

It is an amenable number.

501354399013 is a deficient number, since it is larger than the sum of its proper divisors (41532317261).

501354399013 is a wasteful number, since it uses less digits than its factorization.

501354399013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966594103 (or 2966594090 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 43.

The spelling of 501354399013 in words is "five hundred one billion, three hundred fifty-four million, three hundred ninety-nine thousand, thirteen".