3515890945 has 16 divisors (see below), whose sum is σ = 4912773120. Its totient is φ = 2365406784.

The previous prime is 3515890933. The next prime is 3515890949. The reversal of 3515890945 is 5490985153.

It is a cyclic number.

It is not a de Polignac number, because 3515890945 - 2¹³ = 3515882753 is a prime.

It is a super-2 number, since 2×3515890945² = 24722978274265986050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3515890949) 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, 945825 + ... + 949534.

It is an arithmetic number, because the mean of its divisors is an integer number (307048320).

Almost surely, 2^3515890945 is an apocalyptic number.

3515890945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3515890945 is a deficient number, since it is larger than the sum of its proper divisors (1396882175).

3515890945 is a wasteful number, since it uses less digits than its factorization.

3515890945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895424.

The product of its (nonzero) digits is 972000, while the sum is 49.

The square root of 3515890945 is about 59294.9487308995. The cubic root of 3515890945 is about 1520.5888394071.

The spelling of 3515890945 in words is "three billion, five hundred fifteen million, eight hundred ninety thousand, nine hundred forty-five".