2430401551 has 4 divisors (see below), whose sum is σ = 2436814600. Its totient is φ = 2423988504.

The previous prime is 2430401489. The next prime is 2430401599. The reversal of 2430401551 is 1551040342.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1551040342 = 2 ⋅775520171.

It is a cyclic number.

It is not a de Polignac number, because 2430401551 - 2⁷ = 2430401423 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 (2430401851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3205956 + ... + 3206713.

It is an arithmetic number, because the mean of its divisors is an integer number (609203650).

Almost surely, 2^2430401551 is an apocalyptic number.

2430401551 is a deficient number, since it is larger than the sum of its proper divisors (6413049).

2430401551 is an equidigital number, since it uses as much as digits as its factorization.

2430401551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413048.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2430401551 is about 49299.1029431571. The cubic root of 2430401551 is about 1344.4954739032.

Adding to 2430401551 its reverse (1551040342), we get a palindrome (3981441893).

The spelling of 2430401551 in words is "two billion, four hundred thirty million, four hundred one thousand, five hundred fifty-one".