152397421439 has 8 divisors (see below), whose sum is σ = 156260514480. Its totient is φ = 148541284800.

The previous prime is 152397421409. The next prime is 152397421447. The reversal of 152397421439 is 934124793251.

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-152397421439 is a prime.

It is a super-2 number, since 2×152397421439² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152397421409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1694717 + ... + 1782374.

It is an arithmetic number, because the mean of its divisors is an integer number (19532564310).

Almost surely, 2^152397421439 is an apocalyptic number.

152397421439 is a deficient number, since it is larger than the sum of its proper divisors (3863093041).

152397421439 is a wasteful number, since it uses less digits than its factorization.

152397421439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478201.

The product of its digits is 1632960, while the sum is 50.

The spelling of 152397421439 in words is "one hundred fifty-two billion, three hundred ninety-seven million, four hundred twenty-one thousand, four hundred thirty-nine".