2452423991 has 8 divisors (see below), whose sum is σ = 2493120000. Its totient is φ = 2411993592.

The previous prime is 2452423867. The next prime is 2452423999. The reversal of 2452423991 is 1993242542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2452423991 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 (2452423999) 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, 47741 + ... + 84758.

It is an arithmetic number, because the mean of its divisors is an integer number (311640000).

Almost surely, 2^2452423991 is an apocalyptic number.

2452423991 is a deficient number, since it is larger than the sum of its proper divisors (40696009).

2452423991 is a wasteful number, since it uses less digits than its factorization.

2452423991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132805.

The product of its digits is 155520, while the sum is 41.

The square root of 2452423991 is about 49521.9546363025. The cubic root of 2452423991 is about 1348.5441994873.

The spelling of 2452423991 in words is "two billion, four hundred fifty-two million, four hundred twenty-three thousand, nine hundred ninety-one".