5151620465 has 8 divisors (see below), whose sum is σ = 6395115240. Its totient is φ = 3979182592.

The previous prime is 5151620437. The next prime is 5151620473. The reversal of 5151620465 is 5640261515.

It can be written as a sum of positive squares in 4 ways, for example, as 67502656 + 5084117809 = 8216^2 + 71303^2 .

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 5151620465 - 2²⁴ = 5134843249 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17764064 + ... + 17764353.

It is an arithmetic number, because the mean of its divisors is an integer number (799389405).

Almost surely, 2^5151620465 is an apocalyptic number.

It is an amenable number.

5151620465 is a deficient number, since it is larger than the sum of its proper divisors (1243494775).

5151620465 is a wasteful number, since it uses less digits than its factorization.

5151620465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35528451.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 5151620465 is about 71774.7898986824. The cubic root of 5151620465 is about 1727.0886095123.

The spelling of 5151620465 in words is "five billion, one hundred fifty-one million, six hundred twenty thousand, four hundred sixty-five".