45507666007969 has 9 divisors (see below), whose sum is σ = 50020904532081. Its totient is φ = 41370538002420.

The previous prime is 45507666007967. The next prime is 45507666008017. The reversal of 45507666007969 is 96970066670554.

The square root of 45507666007969 is 6745937.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 45507666007969 - 2¹ = 45507666007967 is a prime.

It is a super-2 number, since 2×45507666007969² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45507666007898 and 45507666007907.

It is not an unprimeable number, because it can be changed into a prime (45507666007967) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 73898674 + ... + 74511940.

Almost surely, 2^{45507666007969} is an apocalyptic number.

45507666007969 is the 6745937-th square number.

45507666007969 is the 3372969-th centered octagonal number.

It is an amenable number.

45507666007969 is a deficient number, since it is larger than the sum of its proper divisors (4513238524112).

45507666007969 is an frugal number, since it uses more digits than its factorization.

45507666007969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226556 (or 613278 counting only the distinct ones).

The product of its (nonzero) digits is 514382400, while the sum is 70.

The spelling of 45507666007969 in words is "forty-five trillion, five hundred seven billion, six hundred sixty-six million, seven thousand, nine hundred sixty-nine".