3655243634 has 16 divisors (see below), whose sum is σ = 6281462400. Its totient is φ = 1562700384.

The previous prime is 3655243619. The next prime is 3655243643. The reversal of 3655243634 is 4363425563.

It is a junction number, because it is equal to n+sod(n) for n = 3655243591 and 3655243600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313454 + ... + 324905.

It is an arithmetic number, because the mean of its divisors is an integer number (392591400).

Almost surely, 2^3655243634 is an apocalyptic number.

3655243634 is a deficient number, since it is larger than the sum of its proper divisors (2626218766).

3655243634 is a wasteful number, since it uses less digits than its factorization.

3655243634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638777.

The product of its digits is 777600, while the sum is 41.

The square root of 3655243634 is about 60458.6109168909. The cubic root of 3655243634 is about 1540.4186799451.

The spelling of 3655243634 in words is "three billion, six hundred fifty-five million, two hundred forty-three thousand, six hundred thirty-four".