740165465031991 has 2 divisors, whose sum is σ = 740165465031992. Its totient is φ = 740165465031990.

The previous prime is 740165465031929. The next prime is 740165465032111. The reversal of 740165465031991 is 199130564561047.

740165465031991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 740165465031991 - 2²¹ = 740165462934839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740165465031191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370082732515995 + 370082732515996.

It is an arithmetic number, because the mean of its divisors is an integer number (370082732515996).

Almost surely, 2^{740165465031991} is an apocalyptic number.

740165465031991 is a deficient number, since it is larger than the sum of its proper divisors (1).

740165465031991 is an equidigital number, since it uses as much as digits as its factorization.

740165465031991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24494400, while the sum is 61.

The spelling of 740165465031991 in words is "seven hundred forty trillion, one hundred sixty-five billion, four hundred sixty-five million, thirty-one thousand, nine hundred ninety-one".