3644190954 has 12 divisors (see below), whose sum is σ = 7895747106. Its totient is φ = 1214730312.

The previous prime is 3644190947. The next prime is 3644190967. The reversal of 3644190954 is 4590914463.

3644190954 is a `hidden beast` number, since 36 + 441 + 90 + 95 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1877922225 + 1766268729 = 43335^2 + 42027^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101227509 + ... + 101227544.

Almost surely, 2^3644190954 is an apocalyptic number.

3644190954 is an abundant number, since it is smaller than the sum of its proper divisors (4251556152).

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

3644190954 is a wasteful number, since it uses less digits than its factorization.

3644190954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202455061 (or 202455058 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 3644190954 is about 60367.1347174934. The cubic root of 3644190954 is about 1538.8644794519.

The spelling of 3644190954 in words is "three billion, six hundred forty-four million, one hundred ninety thousand, nine hundred fifty-four".