3531961345 has 8 divisors (see below), whose sum is σ = 4623658560. Its totient is φ = 2568699120.

The previous prime is 3531961339. The next prime is 3531961399. The reversal of 3531961345 is 5431691353.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3531961345 - 2⁹ = 3531960833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3531961298 and 3531961307.

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, 32108685 + ... + 32108794.

It is an arithmetic number, because the mean of its divisors is an integer number (577957320).

Almost surely, 2^3531961345 is an apocalyptic number.

It is an amenable number.

3531961345 is a deficient number, since it is larger than the sum of its proper divisors (1091697215).

3531961345 is a wasteful number, since it uses less digits than its factorization.

3531961345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64217495.

The product of its digits is 145800, while the sum is 40.

The square root of 3531961345 is about 59430.3066204441. The cubic root of 3531961345 is about 1522.9020827352.

The spelling of 3531961345 in words is "three billion, five hundred thirty-one million, nine hundred sixty-one thousand, three hundred forty-five".