3646769994 has 48 divisors (see below), whose sum is σ = 9561284928. Its totient is φ = 980643456.

The previous prime is 3646769989. The next prime is 3646770019. The reversal of 3646769994 is 4999676463.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 23 ways as a sum of consecutive naturals, for example, 849112 + ... + 853395.

It is an arithmetic number, because the mean of its divisors is an integer number (199193436).

Almost surely, 2^3646769994 is an apocalyptic number.

3646769994 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3646769994 is an abundant number, since it is smaller than the sum of its proper divisors (5914514934).

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

3646769994 is a wasteful number, since it uses less digits than its factorization.

3646769994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702539 (or 1702536 counting only the distinct ones).

The product of its digits is 52907904, while the sum is 63.

The square root of 3646769994 is about 60388.4922315502. The cubic root of 3646769994 is about 1539.2274184608.

The spelling of 3646769994 in words is "three billion, six hundred forty-six million, seven hundred sixty-nine thousand, nine hundred ninety-four".