740040423979 has 2 divisors, whose sum is σ = 740040423980. Its totient is φ = 740040423978.

The previous prime is 740040423977. The next prime is 740040424003. The reversal of 740040423979 is 979324040047.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 740040423979 - 2¹ = 740040423977 is a prime.

Together with 740040423977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (740040423977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370020211989 + 370020211990.

It is an arithmetic number, because the mean of its divisors is an integer number (370020211990).

Almost surely, 2^740040423979 is an apocalyptic number.

740040423979 is a deficient number, since it is larger than the sum of its proper divisors (1).

740040423979 is an equidigital number, since it uses as much as digits as its factorization.

740040423979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 740040423979 in words is "seven hundred forty billion, forty million, four hundred twenty-three thousand, nine hundred seventy-nine".