5401506663 has 24 divisors (see below), whose sum is σ = 8998589600. Its totient is φ = 3058254144.

The previous prime is 5401506661. The next prime is 5401506683. The reversal of 5401506663 is 3666051045.

It is not a de Polignac number, because 5401506663 - 2¹ = 5401506661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401506661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 386428 + ... + 400161.

Almost surely, 2^5401506663 is an apocalyptic number.

5401506663 is a deficient number, since it is larger than the sum of its proper divisors (3597082937).

5401506663 is a wasteful number, since it uses less digits than its factorization.

5401506663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786711 (or 786708 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 5401506663 is about 73494.9431117543. The cubic root of 5401506663 is about 1754.5737947674.

The spelling of 5401506663 in words is "five billion, four hundred one million, five hundred six thousand, six hundred sixty-three".