5250629945 has 64 divisors (see below), whose sum is σ = 7714103040. Its totient is φ = 3384729600.

The previous prime is 5250629933. The next prime is 5250629963. The reversal of 5250629945 is 5499260525.

It is not a de Polignac number, because 5250629945 - 2¹⁰ = 5250628921 is a prime.

It is a super-2 number, since 2×5250629945² = 55138229638661406050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 5250629945.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1109354 + ... + 1114076.

It is an arithmetic number, because the mean of its divisors is an integer number (120532860).

Almost surely, 2^5250629945 is an apocalyptic number.

5250629945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5250629945 is a deficient number, since it is larger than the sum of its proper divisors (2463473095).

5250629945 is a wasteful number, since it uses less digits than its factorization.

5250629945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826.

The product of its (nonzero) digits is 972000, while the sum is 47.

The square root of 5250629945 is about 72461.2306340432. The cubic root of 5250629945 is about 1738.0828341267.

The spelling of 5250629945 in words is "five billion, two hundred fifty million, six hundred twenty-nine thousand, nine hundred forty-five".