5405649634 has 32 divisors (see below), whose sum is σ = 10324371456. Its totient is φ = 2061283920.

The previous prime is 5405649559. The next prime is 5405649637. The reversal of 5405649634 is 4369465045.

It is not an unprimeable number, because it can be changed into a prime (5405649637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366184 + ... + 380659.

It is an arithmetic number, because the mean of its divisors is an integer number (322636608).

Almost surely, 2^5405649634 is an apocalyptic number.

5405649634 is a deficient number, since it is larger than the sum of its proper divisors (4918721822).

5405649634 is a wasteful number, since it uses less digits than its factorization.

5405649634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746910.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The square root of 5405649634 is about 73523.1231246334. The cubic root of 5405649634 is about 1755.0222678268.

The spelling of 5405649634 in words is "five billion, four hundred five million, six hundred forty-nine thousand, six hundred thirty-four".