6471655401 has 8 divisors (see below), whose sum is σ = 8630695584. Its totient is φ = 4313526080.

The previous prime is 6471655369. The next prime is 6471655507. The reversal of 6471655401 is 1045561746.

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

It is a cyclic number.

It is not a de Polignac number, because 6471655401 - 2⁵ = 6471655369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6471655401.

It is not an unprimeable number, because it can be changed into a prime (6471675401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210960 + ... + 239681.

It is an arithmetic number, because the mean of its divisors is an integer number (1078836948).

Almost surely, 2^6471655401 is an apocalyptic number.

It is an amenable number.

6471655401 is a deficient number, since it is larger than the sum of its proper divisors (2159040183).

6471655401 is a wasteful number, since it uses less digits than its factorization.

6471655401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455431.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 6471655401 is about 80446.5996857543. The cubic root of 6471655401 is about 1863.5388940952.

The spelling of 6471655401 in words is "six billion, four hundred seventy-one million, six hundred fifty-five thousand, four hundred one".