3547330649 has 2 divisors, whose sum is σ = 3547330650. Its totient is φ = 3547330648.

The previous prime is 3547330639. The next prime is 3547330697. The reversal of 3547330649 is 9460337453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2355355024 + 1191975625 = 48532^2 + 34525^2 .

It is a cyclic number.

It is not a de Polignac number, because 3547330649 - 2⁸ = 3547330393 is a prime.

It is a super-2 number, since 2×3547330649² = 25167109466669522402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3547330639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1773665324 + 1773665325.

It is an arithmetic number, because the mean of its divisors is an integer number (1773665325).

Almost surely, 2^3547330649 is an apocalyptic number.

It is an amenable number.

3547330649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3547330649 is an equidigital number, since it uses as much as digits as its factorization.

3547330649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 44.

The square root of 3547330649 is about 59559.4715305635. The cubic root of 3547330649 is about 1525.1078521232.

The spelling of 3547330649 in words is "three billion, five hundred forty-seven million, three hundred thirty thousand, six hundred forty-nine".