3691471954 has 8 divisors (see below), whose sum is σ = 5541776460. Its totient is φ = 1844213136.

The previous prime is 3691471841. The next prime is 3691471967. The reversal of 3691471954 is 4591741963.

It can be written as a sum of positive squares in 2 ways, for example, as 2759085729 + 932386225 = 52527^2 + 30535^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3691471898 and 3691471907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758389 + ... + 763240.

Almost surely, 2^3691471954 is an apocalyptic number.

3691471954 is a deficient number, since it is larger than the sum of its proper divisors (1850304506).

3691471954 is a wasteful number, since it uses less digits than its factorization.

3691471954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522844.

The product of its digits is 816480, while the sum is 49.

The square root of 3691471954 is about 60757.4847570240. The cubic root of 3691471954 is about 1545.4911568106.

The spelling of 3691471954 in words is "three billion, six hundred ninety-one million, four hundred seventy-one thousand, nine hundred fifty-four".