5235378645 has 32 divisors (see below), whose sum is σ = 9776959488. Its totient is φ = 2342392128.

The previous prime is 5235378623. The next prime is 5235378647. The reversal of 5235378645 is 5468735325.

It is a happy number.

It is not a de Polignac number, because 5235378645 - 2⁷ = 5235378517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5235378594 and 5235378603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5235378647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 525499 + ... + 535368.

It is an arithmetic number, because the mean of its divisors is an integer number (305529984).

Almost surely, 2^5235378645 is an apocalyptic number.

It is an amenable number.

5235378645 is a deficient number, since it is larger than the sum of its proper divisors (4541580843).

5235378645 is a wasteful number, since it uses less digits than its factorization.

5235378645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060929.

The product of its digits is 3024000, while the sum is 48.

The square root of 5235378645 is about 72355.9164477930. The cubic root of 5235378645 is about 1736.3983549874.

The spelling of 5235378645 in words is "five billion, two hundred thirty-five million, three hundred seventy-eight thousand, six hundred forty-five".