379400842547 has 2 divisors, whose sum is σ = 379400842548. Its totient is φ = 379400842546.

The previous prime is 379400842531. The next prime is 379400842559. The reversal of 379400842547 is 745248004973.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 379400842547 - 2⁴ = 379400842531 is a prime.

It is not a weakly prime, because it can be changed into another prime (379406842547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189700421273 + 189700421274.

It is an arithmetic number, because the mean of its divisors is an integer number (189700421274).

Almost surely, 2^379400842547 is an apocalyptic number.

379400842547 is a deficient number, since it is larger than the sum of its proper divisors (1).

379400842547 is an equidigital number, since it uses as much as digits as its factorization.

379400842547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 379400842547 in words is "three hundred seventy-nine billion, four hundred million, eight hundred forty-two thousand, five hundred forty-seven".