73400667469 has 2 divisors, whose sum is σ = 73400667470. Its totient is φ = 73400667468.

The previous prime is 73400667419. The next prime is 73400667479. The reversal of 73400667469 is 96476600437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64916415369 + 8484252100 = 254787^2 + 92110^2 .

It is a cyclic number.

It is not a de Polignac number, because 73400667469 - 2¹¹ = 73400665421 is a prime.

It is a super-2 number, since 2×73400667469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73400667419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36700333734 + 36700333735.

It is an arithmetic number, because the mean of its divisors is an integer number (36700333735).

Almost surely, 2^73400667469 is an apocalyptic number.

It is an amenable number.

73400667469 is a deficient number, since it is larger than the sum of its proper divisors (1).

73400667469 is an equidigital number, since it uses as much as digits as its factorization.

73400667469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 73400667469 in words is "seventy-three billion, four hundred million, six hundred sixty-seven thousand, four hundred sixty-nine".