1448036691 has 48 divisors (see below), whose sum is σ = 2128422912. Its totient is φ = 873100800.

The previous prime is 1448036669. The next prime is 1448036701. The reversal of 1448036691 is 1966308441.

It is not a de Polignac number, because 1448036691 - 2⁶ = 1448036627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1448036621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6008331 + ... + 6008571.

It is an arithmetic number, because the mean of its divisors is an integer number (44342144).

Almost surely, 2^1448036691 is an apocalyptic number.

1448036691 is a deficient number, since it is larger than the sum of its proper divisors (680386221).

1448036691 is a wasteful number, since it uses less digits than its factorization.

1448036691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1448036691 is about 38053.0772868634. The cubic root of 1448036691 is about 1131.3401207123.

The spelling of 1448036691 in words is "one billion, four hundred forty-eight million, thirty-six thousand, six hundred ninety-one".