153842391399 has 4 divisors (see below), whose sum is σ = 205123188536. Its totient is φ = 102561594264.

The previous prime is 153842391359. The next prime is 153842391401. The reversal of 153842391399 is 993193248351.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 153842391399 - 2¹⁹ = 153841867111 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 (153842391349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25640398564 + ... + 25640398569.

It is an arithmetic number, because the mean of its divisors is an integer number (51280797134).

Almost surely, 2^153842391399 is an apocalyptic number.

153842391399 is a deficient number, since it is larger than the sum of its proper divisors (51280797137).

153842391399 is an equidigital number, since it uses as much as digits as its factorization.

153842391399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51280797136.

The product of its digits is 6298560, while the sum is 57.

The spelling of 153842391399 in words is "one hundred fifty-three billion, eight hundred forty-two million, three hundred ninety-one thousand, three hundred ninety-nine".