3649048397 has 2 divisors, whose sum is σ = 3649048398. Its totient is φ = 3649048396.

The previous prime is 3649048387. The next prime is 3649048423. The reversal of 3649048397 is 7938409463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2111310601 + 1537737796 = 45949^2 + 39214^2 .

It is a cyclic number.

It is not a de Polignac number, because 3649048397 - 2²² = 3644854093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3649048387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824524198 + 1824524199.

It is an arithmetic number, because the mean of its divisors is an integer number (1824524199).

Almost surely, 2^3649048397 is an apocalyptic number.

It is an amenable number.

3649048397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3649048397 is an equidigital number, since it uses as much as digits as its factorization.

3649048397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The square root of 3649048397 is about 60407.3538321288. The cubic root of 3649048397 is about 1539.5479075760.

The spelling of 3649048397 in words is "three billion, six hundred forty-nine million, forty-eight thousand, three hundred ninety-seven".