740613467221 has 2 divisors, whose sum is σ = 740613467222. Its totient is φ = 740613467220.

The previous prime is 740613467203. The next prime is 740613467359. The reversal of 740613467221 is 122764316047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 706421759121 + 34191708100 = 840489^2 + 184910^2 .

It is a cyclic number.

It is not a de Polignac number, because 740613467221 - 2⁹ = 740613466709 is a prime.

It is a super-2 number, since 2×740613467221² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740613467201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370306733610 + 370306733611.

It is an arithmetic number, because the mean of its divisors is an integer number (370306733611).

Almost surely, 2^740613467221 is an apocalyptic number.

It is an amenable number.

740613467221 is a deficient number, since it is larger than the sum of its proper divisors (1).

740613467221 is an equidigital number, since it uses as much as digits as its factorization.

740613467221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 740613467221 in words is "seven hundred forty billion, six hundred thirteen million, four hundred sixty-seven thousand, two hundred twenty-one".