3644790134837 has 2 divisors, whose sum is σ = 3644790134838. Its totient is φ = 3644790134836.

The previous prime is 3644790134819. The next prime is 3644790134903. The reversal of 3644790134837 is 7384310974463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2368995035716 + 1275795099121 = 1539154^2 + 1129511^2 .

It is a cyclic number.

It is not a de Polignac number, because 3644790134837 - 2⁶ = 3644790134773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3644790134807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822395067418 + 1822395067419.

It is an arithmetic number, because the mean of its divisors is an integer number (1822395067419).

Almost surely, 2^{3644790134837} is an apocalyptic number.

It is an amenable number.

3644790134837 is a deficient number, since it is larger than the sum of its proper divisors (1).

3644790134837 is an equidigital number, since it uses as much as digits as its factorization.

3644790134837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36578304, while the sum is 59.

The spelling of 3644790134837 in words is "three trillion, six hundred forty-four billion, seven hundred ninety million, one hundred thirty-four thousand, eight hundred thirty-seven".