502146404745157 has 4 divisors (see below), whose sum is σ = 505471877624416. Its totient is φ = 498820931865900.

The previous prime is 502146404745121. The next prime is 502146404745173. The reversal of 502146404745157 is 751547404641205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502146404745157 is a prime.

It is a super-2 number, since 2×502146404745157² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 502146404745098 and 502146404745107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502146404745107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1662736439403 + ... + 1662736439704.

It is an arithmetic number, because the mean of its divisors is an integer number (126367969406104).

Almost surely, 2^{502146404745157} is an apocalyptic number.

It is an amenable number.

502146404745157 is a deficient number, since it is larger than the sum of its proper divisors (3325472879259).

502146404745157 is a wasteful number, since it uses less digits than its factorization.

502146404745157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325472879258.

The product of its (nonzero) digits is 18816000, while the sum is 55.

The spelling of 502146404745157 in words is "five hundred two trillion, one hundred forty-six billion, four hundred four million, seven hundred forty-five thousand, one hundred fifty-seven".