5681297465 has 8 divisors (see below), whose sum is σ = 6821307648. Its totient is φ = 4542537520.

The previous prime is 5681297449. The next prime is 5681297477. The reversal of 5681297465 is 5647921865.

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

It is not a de Polignac number, because 5681297465 - 2⁴ = 5681297449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302531 + ... + 320760.

It is an arithmetic number, because the mean of its divisors is an integer number (852663456).

Almost surely, 2^5681297465 is an apocalyptic number.

It is an amenable number.

5681297465 is a deficient number, since it is larger than the sum of its proper divisors (1140010183).

5681297465 is a wasteful number, since it uses less digits than its factorization.

5681297465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625119.

The product of its digits is 3628800, while the sum is 53.

The square root of 5681297465 is about 75374.3820206839. The cubic root of 5681297465 is about 1784.3601255105.

The spelling of 5681297465 in words is "five billion, six hundred eighty-one million, two hundred ninety-seven thousand, four hundred sixty-five".