3638690634703 has 2 divisors, whose sum is σ = 3638690634704. Its totient is φ = 3638690634702.

The previous prime is 3638690634653. The next prime is 3638690634763. The reversal of 3638690634703 is 3074360968363.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3638690634703 - 2²⁵ = 3638657080271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3638690634763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1819345317351 + 1819345317352.

It is an arithmetic number, because the mean of its divisors is an integer number (1819345317352).

Almost surely, 2^{3638690634703} is an apocalyptic number.

3638690634703 is a deficient number, since it is larger than the sum of its proper divisors (1).

3638690634703 is an equidigital number, since it uses as much as digits as its factorization.

3638690634703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35271936, while the sum is 58.

The spelling of 3638690634703 in words is "three trillion, six hundred thirty-eight billion, six hundred ninety million, six hundred thirty-four thousand, seven hundred three".