501145133639 has 2 divisors, whose sum is σ = 501145133640. Its totient is φ = 501145133638.

The previous prime is 501145133579. The next prime is 501145133647. The reversal of 501145133639 is 936331541105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 501145133639 - 2¹² = 501145129543 is a prime.

It is a super-2 number, since 2×501145133639² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501145133596 and 501145133605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501145132639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250572566819 + 250572566820.

It is an arithmetic number, because the mean of its divisors is an integer number (250572566820).

Almost surely, 2^501145133639 is an apocalyptic number.

501145133639 is a deficient number, since it is larger than the sum of its proper divisors (1).

501145133639 is an equidigital number, since it uses as much as digits as its factorization.

501145133639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 501145133639 in words is "five hundred one billion, one hundred forty-five million, one hundred thirty-three thousand, six hundred thirty-nine".