510981945703 has 2 divisors, whose sum is σ = 510981945704. Its totient is φ = 510981945702.

The previous prime is 510981945671. The next prime is 510981945707. The reversal of 510981945703 is 307549189015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 510981945703 - 2⁵ = 510981945671 is a prime.

It is a super-2 number, since 2×510981945703² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (510981945707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255490972851 + 255490972852.

It is an arithmetic number, because the mean of its divisors is an integer number (255490972852).

Almost surely, 2^510981945703 is an apocalyptic number.

510981945703 is a deficient number, since it is larger than the sum of its proper divisors (1).

510981945703 is an equidigital number, since it uses as much as digits as its factorization.

510981945703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 510981945703 in words is "five hundred ten billion, nine hundred eighty-one million, nine hundred forty-five thousand, seven hundred three".