3649042807 has 2 divisors, whose sum is σ = 3649042808. Its totient is φ = 3649042806.

The previous prime is 3649042783. The next prime is 3649042847. The reversal of 3649042807 is 7082409463.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3649042807 - 2³¹ = 1501559159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3649042847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824521403 + 1824521404.

It is an arithmetic number, because the mean of its divisors is an integer number (1824521404).

Almost surely, 2^3649042807 is an apocalyptic number.

3649042807 is a deficient number, since it is larger than the sum of its proper divisors (1).

3649042807 is an equidigital number, since it uses as much as digits as its factorization.

3649042807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 3649042807 is about 60407.3075629100. The cubic root of 3649042807 is about 1539.5471214279.

It can be divided in two parts, 36490 and 42807, that added together give a palindrome (79297).

The spelling of 3649042807 in words is "three billion, six hundred forty-nine million, forty-two thousand, eight hundred seven".