4251869153532 has 2592 divisors, whose sum is σ = 16874796556800. Its totient is φ = 923419284480.

The previous prime is 4251869153531. The next prime is 4251869153537. The reversal of 4251869153532 is 2353519681524.

4251869153532 is a `hidden beast` number, since 4 + 2 + 5 + 18 + 6 + 91 + 5 + 3 + 532 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4251869153531) by changing a digit.

It is a polite number, since it can be written in 863 ways as a sum of consecutive naturals, for example, 41280282993 + ... + 41280283095.

Almost surely, 2^{4251869153532} is an apocalyptic number.

4251869153532 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4251869153532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8437398278400).

4251869153532 is an abundant number, since it is smaller than the sum of its proper divisors (12622927403268).

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

4251869153532 is a wasteful number, since it uses less digits than its factorization.

4251869153532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 187 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The spelling of 4251869153532 in words is "four trillion, two hundred fifty-one billion, eight hundred sixty-nine million, one hundred fifty-three thousand, five hundred thirty-two".