740140067389 has 2 divisors, whose sum is σ = 740140067390. Its totient is φ = 740140067388.

The previous prime is 740140067377. The next prime is 740140067419. The reversal of 740140067389 is 983760041047.

740140067389 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 can be written as a sum of positive squares in only one way, i.e., 428949023364 + 311191044025 = 654942^2 + 557845^2 .

It is a cyclic number.

It is not a de Polignac number, because 740140067389 - 2³⁵ = 705780329021 is a prime.

It is a super-2 number, since 2×740140067389² (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 (740140067369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370070033694 + 370070033695.

It is an arithmetic number, because the mean of its divisors is an integer number (370070033695).

Almost surely, 2^740140067389 is an apocalyptic number.

It is an amenable number.

740140067389 is a deficient number, since it is larger than the sum of its proper divisors (1).

740140067389 is an equidigital number, since it uses as much as digits as its factorization.

740140067389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 740140067389 in words is "seven hundred forty billion, one hundred forty million, sixty-seven thousand, three hundred eighty-nine".