45528019691 has 48 divisors (see below), whose sum is σ = 60356378880. Its totient is φ = 33895350720.

The previous prime is 45528019661. The next prime is 45528019699. The reversal of 45528019691 is 19691082554.

It is not a de Polignac number, because 45528019691 - 2¹⁸ = 45527757547 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (45528019699) 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, 15606365 + ... + 15609281.

It is an arithmetic number, because the mean of its divisors is an integer number (1257424560).

Almost surely, 2^45528019691 is an apocalyptic number.

45528019691 is a deficient number, since it is larger than the sum of its proper divisors (14828359189).

45528019691 is a wasteful number, since it uses less digits than its factorization.

45528019691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224 (or 4217 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 50.

The spelling of 45528019691 in words is "forty-five billion, five hundred twenty-eight million, nineteen thousand, six hundred ninety-one".