510642638453 has 2 divisors, whose sum is σ = 510642638454. Its totient is φ = 510642638452.

The previous prime is 510642638413. The next prime is 510642638461. The reversal of 510642638453 is 354836246015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 475186878244 + 35455760209 = 689338^2 + 188297^2 .

It is a cyclic number.

It is not a de Polignac number, because 510642638453 - 2²² = 510638444149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 510642638398 and 510642638407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (510642638413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255321319226 + 255321319227.

It is an arithmetic number, because the mean of its divisors is an integer number (255321319227).

Almost surely, 2^510642638453 is an apocalyptic number.

It is an amenable number.

510642638453 is a deficient number, since it is larger than the sum of its proper divisors (1).

510642638453 is an equidigital number, since it uses as much as digits as its factorization.

510642638453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 510642638453 in words is "five hundred ten billion, six hundred forty-two million, six hundred thirty-eight thousand, four hundred fifty-three".