5215890945 has 8 divisors (see below), whose sum is σ = 8345425536. Its totient is φ = 2781808496.

The previous prime is 5215890943. The next prime is 5215890959. The reversal of 5215890945 is 5490985125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5215890945 - 2¹ = 5215890943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5215890894 and 5215890903.

It is not an unprimeable number, because it can be changed into a prime (5215890943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173863017 + ... + 173863046.

It is an arithmetic number, because the mean of its divisors is an integer number (1043178192).

Almost surely, 2^5215890945 is an apocalyptic number.

It is an amenable number.

5215890945 is a deficient number, since it is larger than the sum of its proper divisors (3129534591).

5215890945 is a wasteful number, since it uses less digits than its factorization.

5215890945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347726071.

The product of its (nonzero) digits is 648000, while the sum is 48.

The square root of 5215890945 is about 72221.1253373970. The cubic root of 5215890945 is about 1734.2412055089.

The spelling of 5215890945 in words is "five billion, two hundred fifteen million, eight hundred ninety thousand, nine hundred forty-five".