5406028991 has 8 divisors (see below), whose sum is σ = 6008760144. Its totient is φ = 4821843520.

The previous prime is 5406028987. The next prime is 5406028993. The reversal of 5406028991 is 1998206045.

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 5406028991 - 2² = 5406028987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5406028993) 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, 4635806 + ... + 4636971.

It is an arithmetic number, because the mean of its divisors is an integer number (751095018).

Almost surely, 2^5406028991 is an apocalyptic number.

5406028991 is a deficient number, since it is larger than the sum of its proper divisors (602731153).

5406028991 is a wasteful number, since it uses less digits than its factorization.

5406028991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9272841.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 5406028991 is about 73525.7029276157. The cubic root of 5406028991 is about 1755.0633214437.

The spelling of 5406028991 in words is "five billion, four hundred six million, twenty-eight thousand, nine hundred ninety-one".