3781019506 has 16 divisors (see below), whose sum is σ = 6221694240. Its totient is φ = 1709042080.

The previous prime is 3781019483. The next prime is 3781019533. The reversal of 3781019506 is 6059101873.

It is a super-2 number, since 2×3781019506² = 28592217009504968072, which contains 22 as substring.

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, 476131 + ... + 484006.

It is an arithmetic number, because the mean of its divisors is an integer number (388855890).

Almost surely, 2^3781019506 is an apocalyptic number.

3781019506 is a deficient number, since it is larger than the sum of its proper divisors (2440674734).

3781019506 is a wasteful number, since it uses less digits than its factorization.

3781019506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960329.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 3781019506 is about 61489.9951699461. The cubic root of 3781019506 is about 1557.8882650271. Note that the first 3 decimals are identical.

The spelling of 3781019506 in words is "three billion, seven hundred eighty-one million, nineteen thousand, five hundred six".