918552430397 has 8 divisors (see below), whose sum is σ = 1054279676736. Its totient is φ = 783951551712.

The previous prime is 918552430387. The next prime is 918552430403. The reversal of 918552430397 is 793034255819.

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

It is not a de Polignac number, because 918552430397 - 2⁴ = 918552430381 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 (918552430387) 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, 281590163 + ... + 281593424.

It is an arithmetic number, because the mean of its divisors is an integer number (131784959592).

Almost surely, 2^918552430397 is an apocalyptic number.

It is an amenable number.

918552430397 is a deficient number, since it is larger than the sum of its proper divisors (135727246339).

918552430397 is a wasteful number, since it uses less digits than its factorization.

918552430397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563183827.

The product of its (nonzero) digits is 8164800, while the sum is 56.

It can be divided in two parts, 91855 and 2430397, that added together give a palindrome (2522252).

The spelling of 918552430397 in words is "nine hundred eighteen billion, five hundred fifty-two million, four hundred thirty thousand, three hundred ninety-seven".