338805457149 has 4 divisors (see below), whose sum is σ = 451740609536. Its totient is φ = 225870304764.

The previous prime is 338805457147. The next prime is 338805457153. The reversal of 338805457149 is 941754508833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 338805457149 - 2¹ = 338805457147 is a prime.

It is a super-2 number, since 2×338805457149² (a number of 24 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 (338805457147) 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, 56467576189 + ... + 56467576194.

It is an arithmetic number, because the mean of its divisors is an integer number (112935152384).

Almost surely, 2^338805457149 is an apocalyptic number.

It is an amenable number.

338805457149 is a deficient number, since it is larger than the sum of its proper divisors (112935152387).

338805457149 is a wasteful number, since it uses less digits than its factorization.

338805457149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112935152386.

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 338805457149 in words is "three hundred thirty-eight billion, eight hundred five million, four hundred fifty-seven thousand, one hundred forty-nine".