3670396261849 has 2 divisors, whose sum is σ = 3670396261850. Its totient is φ = 3670396261848.

The previous prime is 3670396261813. The next prime is 3670396261901. The reversal of 3670396261849 is 9481626930763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2971165821849 + 699230440000 = 1723707^2 + 836200^2 .

It is a cyclic number.

It is not a de Polignac number, because 3670396261849 - 2¹⁷ = 3670396130777 is a prime.

It is a super-2 number, since 2×3670396261849² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3670396262849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1835198130924 + 1835198130925.

It is an arithmetic number, because the mean of its divisors is an integer number (1835198130925).

Almost surely, 2^{3670396261849} is an apocalyptic number.

It is an amenable number.

3670396261849 is a deficient number, since it is larger than the sum of its proper divisors (1).

3670396261849 is an equidigital number, since it uses as much as digits as its factorization.

3670396261849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70543872, while the sum is 64.

The spelling of 3670396261849 in words is "three trillion, six hundred seventy billion, three hundred ninety-six million, two hundred sixty-one thousand, eight hundred forty-nine".