3505850378 has 4 divisors (see below), whose sum is σ = 5258775570. Its totient is φ = 1752925188.

The previous prime is 3505850351. The next prime is 3505850401. The reversal of 3505850378 is 8730585053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8730585053 = 29 ⋅301054657.

It can be written as a sum of positive squares in only one way, i.e., 3458968969 + 46881409 = 58813^2 + 6847^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 876462593 + ... + 876462596.

Almost surely, 2^3505850378 is an apocalyptic number.

3505850378 is a deficient number, since it is larger than the sum of its proper divisors (1752925192).

3505850378 is a wasteful number, since it uses less digits than its factorization.

3505850378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752925191.

The product of its (nonzero) digits is 504000, while the sum is 44.

The square root of 3505850378 is about 59210.2219046678. The cubic root of 3505850378 is about 1519.1399766096.

The spelling of 3505850378 in words is "three billion, five hundred five million, eight hundred fifty thousand, three hundred seventy-eight".