149243953398 has 16 divisors (see below), whose sum is σ = 298503054336. Its totient is φ = 49745459880.

The previous prime is 149243953349. The next prime is 149243953399. The reversal of 149243953398 is 893359342941.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149243953399) 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, 500998 + ... + 741273.

It is an arithmetic number, because the mean of its divisors is an integer number (18656440896).

Almost surely, 2^149243953398 is an apocalyptic number.

149243953398 is an abundant number, since it is smaller than the sum of its proper divisors (149259100938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149243953398 is a wasteful number, since it uses less digits than its factorization.

149243953398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262299.

The product of its digits is 25194240, while the sum is 60.

The spelling of 149243953398 in words is "one hundred forty-nine billion, two hundred forty-three million, nine hundred fifty-three thousand, three hundred ninety-eight".