3645051534 has 48 divisors (see below), whose sum is σ = 8043875424. Its totient is φ = 1192665600.

The previous prime is 3645051497. The next prime is 3645051593. The reversal of 3645051534 is 4351505463.

3645051534 is a `hidden beast` number, since 3 + 64 + 50 + 515 + 34 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291654 + ... + 303894.

It is an arithmetic number, because the mean of its divisors is an integer number (167580738).

Almost surely, 2^3645051534 is an apocalyptic number.

3645051534 is an abundant number, since it is smaller than the sum of its proper divisors (4398823890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3645051534 is a wasteful number, since it uses less digits than its factorization.

3645051534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12553 (or 12550 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 3645051534 is about 60374.2621818271. The cubic root of 3645051534 is about 1538.9856048062.

Adding to 3645051534 its reverse (4351505463), we get a palindrome (7996556997).

The spelling of 3645051534 in words is "three billion, six hundred forty-five million, fifty-one thousand, five hundred thirty-four".