5637994007 has 2 divisors, whose sum is σ = 5637994008. Its totient is φ = 5637994006.

The previous prime is 5637994003. The next prime is 5637994049. The reversal of 5637994007 is 7004997365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5637994007 - 2² = 5637994003 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5637994003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2818997003 + 2818997004.

It is an arithmetic number, because the mean of its divisors is an integer number (2818997004).

Almost surely, 2^5637994007 is an apocalyptic number.

5637994007 is a deficient number, since it is larger than the sum of its proper divisors (1).

5637994007 is an equidigital number, since it uses as much as digits as its factorization.

5637994007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The square root of 5637994007 is about 75086.5767431170. The cubic root of 5637994007 is about 1779.8150301208.

The spelling of 5637994007 in words is "five billion, six hundred thirty-seven million, nine hundred ninety-four thousand, seven".