378331949134 has 4 divisors (see below), whose sum is σ = 567497923704. Its totient is φ = 189165974566.

The previous prime is 378331949101. The next prime is 378331949137. The reversal of 378331949134 is 431949133873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431949133873 = 6029 ⋅71645237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378331949137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94582987282 + ... + 94582987285.

It is an arithmetic number, because the mean of its divisors is an integer number (141874480926).

Almost surely, 2^378331949134 is an apocalyptic number.

378331949134 is a deficient number, since it is larger than the sum of its proper divisors (189165974570).

378331949134 is a wasteful number, since it uses less digits than its factorization.

378331949134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189165974569.

The product of its digits is 5878656, while the sum is 55.

The spelling of 378331949134 in words is "three hundred seventy-eight billion, three hundred thirty-one million, nine hundred forty-nine thousand, one hundred thirty-four".