148905834499969 has 4 divisors (see below), whose sum is σ = 150380149693140. Its totient is φ = 147431519306800.

The previous prime is 148905834499967. The next prime is 148905834499973. The reversal of 148905834499969 is 969994438509841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 117048705399025 + 31857129100944 = 10818905^2 + 5644212^2 .

It is a cyclic number.

It is not a de Polignac number, because 148905834499969 - 2¹ = 148905834499967 is a prime.

It is a super-3 number, since 3×148905834499969³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148905834499969.

It is not an unprimeable number, because it can be changed into a prime (148905834499967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737157596434 + ... + 737157596635.

It is an arithmetic number, because the mean of its divisors is an integer number (37595037423285).

Almost surely, 2^{148905834499969} is an apocalyptic number.

It is an amenable number.

148905834499969 is a deficient number, since it is larger than the sum of its proper divisors (1474315193171).

148905834499969 is a wasteful number, since it uses less digits than its factorization.

148905834499969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474315193170.

The product of its (nonzero) digits is 21767823360, while the sum is 88.

The spelling of 148905834499969 in words is "one hundred forty-eight trillion, nine hundred five billion, eight hundred thirty-four million, four hundred ninety-nine thousand, nine hundred sixty-nine".