740571146069 has 2 divisors, whose sum is σ = 740571146070. Its totient is φ = 740571146068.

The previous prime is 740571146009. The next prime is 740571146071. The reversal of 740571146069 is 960641175047.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 635360439025 + 105210707044 = 797095^2 + 324362^2 .

It is a cyclic number.

It is not a de Polignac number, because 740571146069 - 2²⁸ = 740302710613 is a prime.

It is a super-2 number, since 2×740571146069² (a number of 25 digits) contains 22 as substring.

Together with 740571146071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740571146009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370285573034 + 370285573035.

It is an arithmetic number, because the mean of its divisors is an integer number (370285573035).

Almost surely, 2^740571146069 is an apocalyptic number.

It is an amenable number.

740571146069 is a deficient number, since it is larger than the sum of its proper divisors (1).

740571146069 is an equidigital number, since it uses as much as digits as its factorization.

740571146069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 740571146069 in words is "seven hundred forty billion, five hundred seventy-one million, one hundred forty-six thousand, sixty-nine".