51613636003 has 2 divisors, whose sum is σ = 51613636004. Its totient is φ = 51613636002.

The previous prime is 51613635973. The next prime is 51613636007. The reversal of 51613636003 is 30063631615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51613636003 - 2⁵ = 51613635971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51613636003.

It is not a weakly prime, because it can be changed into another prime (51613636007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25806818001 + 25806818002.

It is an arithmetic number, because the mean of its divisors is an integer number (25806818002).

Almost surely, 2^51613636003 is an apocalyptic number.

51613636003 is a deficient number, since it is larger than the sum of its proper divisors (1).

51613636003 is an equidigital number, since it uses as much as digits as its factorization.

51613636003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 34.

The spelling of 51613636003 in words is "fifty-one billion, six hundred thirteen million, six hundred thirty-six thousand, three".