3649744749290 has 64 divisors (see below), whose sum is σ = 7144864727040. Its totient is φ = 1337230451520.

The previous prime is 3649744749221. The next prime is 3649744749311. The reversal of 3649744749290 is 929474479463.

It is a self number, because there is not a number n which added to its sum of digits gives 3649744749290.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6215777 + ... + 6777563.

It is an arithmetic number, because the mean of its divisors is an integer number (111638511360).

Almost surely, 2^{3649744749290} is an apocalyptic number.

3649744749290 is a deficient number, since it is larger than the sum of its proper divisors (3495119977750).

3649744749290 is a wasteful number, since it uses less digits than its factorization.

3649744749290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562947.

The product of its (nonzero) digits is 329204736, while the sum is 68.

The spelling of 3649744749290 in words is "three trillion, six hundred forty-nine billion, seven hundred forty-four million, seven hundred forty-nine thousand, two hundred ninety".