740880381679 has 2 divisors, whose sum is σ = 740880381680. Its totient is φ = 740880381678.

The previous prime is 740880381667. The next prime is 740880381763. The reversal of 740880381679 is 976183088047.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 740880381679 - 2⁷ = 740880381551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740880387679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370440190839 + 370440190840.

It is an arithmetic number, because the mean of its divisors is an integer number (370440190840).

Almost surely, 2^740880381679 is an apocalyptic number.

740880381679 is a deficient number, since it is larger than the sum of its proper divisors (1).

740880381679 is an equidigital number, since it uses as much as digits as its factorization.

740880381679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16257024, while the sum is 61.

The spelling of 740880381679 in words is "seven hundred forty billion, eight hundred eighty million, three hundred eighty-one thousand, six hundred seventy-nine".