5401655671 has 2 divisors, whose sum is σ = 5401655672. Its totient is φ = 5401655670.

The previous prime is 5401655627. The next prime is 5401655689. The reversal of 5401655671 is 1765561045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5401655671 - 2²³ = 5393267063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5401655771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700827835 + 2700827836.

It is an arithmetic number, because the mean of its divisors is an integer number (2700827836).

Almost surely, 2^5401655671 is an apocalyptic number.

5401655671 is a deficient number, since it is larger than the sum of its proper divisors (1).

5401655671 is an equidigital number, since it uses as much as digits as its factorization.

5401655671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 5401655671 is about 73495.9568343729. The cubic root of 5401655671 is about 1754.5899287305.

The spelling of 5401655671 in words is "five billion, four hundred one million, six hundred fifty-five thousand, six hundred seventy-one".