152397421447 has 2 divisors, whose sum is σ = 152397421448. Its totient is φ = 152397421446.

The previous prime is 152397421409. The next prime is 152397421457. The reversal of 152397421447 is 744124793251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152397421447 - 2¹¹ = 152397419399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 152397421447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152397421457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76198710723 + 76198710724.

It is an arithmetic number, because the mean of its divisors is an integer number (76198710724).

Almost surely, 2^152397421447 is an apocalyptic number.

152397421447 is a deficient number, since it is larger than the sum of its proper divisors (1).

152397421447 is an equidigital number, since it uses as much as digits as its factorization.

152397421447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 49.

The spelling of 152397421447 in words is "one hundred fifty-two billion, three hundred ninety-seven million, four hundred twenty-one thousand, four hundred forty-seven".