5491249530 has 32 divisors (see below), whose sum is σ = 14192769024. Its totient is φ = 1351692096.

The previous prime is 5491249529. The next prime is 5491249531. The reversal of 5491249530 is 359421945.

It is an interprime number because it is at equal distance from previous prime (5491249529) and next prime (5491249531).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5491249531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7039674 + ... + 7040453.

It is an arithmetic number, because the mean of its divisors is an integer number (443524032).

Almost surely, 2^5491249530 is an apocalyptic number.

5491249530 is an abundant number, since it is smaller than the sum of its proper divisors (8701519494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5491249530 is a wasteful number, since it uses less digits than its factorization.

5491249530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14080150.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 5491249530 is about 74102.9657301245. The cubic root of 5491249530 is about 1764.2375432750.

The spelling of 5491249530 in words is "five billion, four hundred ninety-one million, two hundred forty-nine thousand, five hundred thirty".