378099671039971 has 2 divisors, whose sum is σ = 378099671039972. Its totient is φ = 378099671039970.

The previous prime is 378099671039941. The next prime is 378099671040019. The reversal of 378099671039971 is 179930176990873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378099671039971 - 2²³ = 378099662651363 is a prime.

It is a super-2 number, since 2×378099671039971² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 378099671039891 and 378099671039900.

It is not a weakly prime, because it can be changed into another prime (378099671039941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189049835519985 + 189049835519986.

It is an arithmetic number, because the mean of its divisors is an integer number (189049835519986).

Almost surely, 2^{378099671039971} is an apocalyptic number.

378099671039971 is a deficient number, since it is larger than the sum of its proper divisors (1).

378099671039971 is an equidigital number, since it uses as much as digits as its factorization.

378099671039971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972182736, while the sum is 79.

The spelling of 378099671039971 in words is "three hundred seventy-eight trillion, ninety-nine billion, six hundred seventy-one million, thirty-nine thousand, nine hundred seventy-one".