3664015465837 has 2 divisors, whose sum is σ = 3664015465838. Its totient is φ = 3664015465836.

The previous prime is 3664015465771. The next prime is 3664015465861. The reversal of 3664015465837 is 7385645104663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2309971379881 + 1354044085956 = 1519859^2 + 1163634^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3664015465837 is a prime.

It is a super-2 number, since 2×3664015465837² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3664015465337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1832007732918 + 1832007732919.

It is an arithmetic number, because the mean of its divisors is an integer number (1832007732919).

Almost surely, 2^{3664015465837} is an apocalyptic number.

It is an amenable number.

3664015465837 is a deficient number, since it is larger than the sum of its proper divisors (1).

3664015465837 is an equidigital number, since it uses as much as digits as its factorization.

3664015465837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43545600, while the sum is 58.

The spelling of 3664015465837 in words is "three trillion, six hundred sixty-four billion, fifteen million, four hundred sixty-five thousand, eight hundred thirty-seven".