1338470177971 has 4 divisors (see below), whose sum is σ = 1366948266912. Its totient is φ = 1309992089032.

The previous prime is 1338470177951. The next prime is 1338470177981. The reversal of 1338470177971 is 1797710748331.

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

It is a cyclic number.

It is not a de Polignac number, because 1338470177971 - 2⁵ = 1338470177939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338470177951) 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, 14239044400 + ... + 14239044493.

It is an arithmetic number, because the mean of its divisors is an integer number (341737066728).

Almost surely, 2^{1338470177971} is an apocalyptic number.

1338470177971 is a deficient number, since it is larger than the sum of its proper divisors (28478088941).

1338470177971 is an equidigital number, since it uses as much as digits as its factorization.

1338470177971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28478088940.

The product of its (nonzero) digits is 6223392, while the sum is 58.

The spelling of 1338470177971 in words is "one trillion, three hundred thirty-eight billion, four hundred seventy million, one hundred seventy-seven thousand, nine hundred seventy-one".