3521654372 has 6 divisors (see below), whose sum is σ = 6162895158. Its totient is φ = 1760827184.

The previous prime is 3521654347. The next prime is 3521654401. The reversal of 3521654372 is 2734561253.

It can be written as a sum of positive squares in only one way, i.e., 3376307236 + 145347136 = 58106^2 + 12056^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440206793 + ... + 440206800.

It is an arithmetic number, because the mean of its divisors is an integer number (1027149193).

Almost surely, 2^3521654372 is an apocalyptic number.

It is an amenable number.

3521654372 is a deficient number, since it is larger than the sum of its proper divisors (2641240786).

3521654372 is a wasteful number, since it uses less digits than its factorization.

3521654372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880413597 (or 880413595 counting only the distinct ones).

The product of its digits is 151200, while the sum is 38.

The square root of 3521654372 is about 59343.5284761532. The cubic root of 3521654372 is about 1521.4192612998.

The spelling of 3521654372 in words is "three billion, five hundred twenty-one million, six hundred fifty-four thousand, three hundred seventy-two".