40771451074129 has 2 divisors, whose sum is σ = 40771451074130. Its totient is φ = 40771451074128.

The previous prime is 40771451074049. The next prime is 40771451074303. The reversal of 40771451074129 is 92147015417704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39784114726225 + 987336347904 = 6307465^2 + 993648^2 .

It is a cyclic number.

It is not a de Polignac number, because 40771451074129 - 2⁷ = 40771451074001 is a prime.

It is a super-2 number, since 2×40771451074129² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40771451974129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20385725537064 + 20385725537065.

It is an arithmetic number, because the mean of its divisors is an integer number (20385725537065).

Almost surely, 2^{40771451074129} is an apocalyptic number.

It is an amenable number.

40771451074129 is a deficient number, since it is larger than the sum of its proper divisors (1).

40771451074129 is an equidigital number, since it uses as much as digits as its factorization.

40771451074129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 52.

The spelling of 40771451074129 in words is "forty trillion, seven hundred seventy-one billion, four hundred fifty-one million, seventy-four thousand, one hundred twenty-nine".