3654445774 has 24 divisors (see below), whose sum is σ = 6383730960. Its totient is φ = 1564448256.

The previous prime is 3654445709. The next prime is 3654445777. The reversal of 3654445774 is 4775444563.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654445777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69774 + ... + 110350.

It is an arithmetic number, because the mean of its divisors is an integer number (265988790).

Almost surely, 2^3654445774 is an apocalyptic number.

3654445774 is a deficient number, since it is larger than the sum of its proper divisors (2729285186).

3654445774 is a wasteful number, since it uses less digits than its factorization.

3654445774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41512 (or 41505 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 49.

The square root of 3654445774 is about 60452.0121584054. The cubic root of 3654445774 is about 1540.3065918505.

The spelling of 3654445774 in words is "three billion, six hundred fifty-four million, four hundred forty-five thousand, seven hundred seventy-four".