3671900505 has 240 divisors, whose sum is σ = 8463115584. Its totient is φ = 1508855040.

The previous prime is 3671900447. The next prime is 3671900513. The reversal of 3671900505 is 5050091763.

It is a happy number.

3671900505 is a `hidden beast` number, since 3 + 67 + 1 + 90 + 0 + 505 = 666.

It is not a de Polignac number, because 3671900505 - 2⁷ = 3671900377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3671900505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 11093190 + ... + 11093520.

Almost surely, 2^3671900505 is an apocalyptic number.

3671900505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3671900505 is an abundant number, since it is smaller than the sum of its proper divisors (4791215079).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3671900505 is a wasteful number, since it uses less digits than its factorization.

3671900505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 3671900505 is about 60596.2086685297. The cubic root of 3671900505 is about 1542.7550201916.

The spelling of 3671900505 in words is "three billion, six hundred seventy-one million, nine hundred thousand, five hundred five".