456521043387 has 8 divisors (see below), whose sum is σ = 608982804304. Its totient is φ = 304203322368.

The previous prime is 456521043353. The next prime is 456521043397. The reversal of 456521043387 is 783340125654.

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

It is not a de Polignac number, because 456521043387 - 2¹⁰ = 456521042363 is a prime.

It is a super-2 number, since 2×456521043387² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (456521043397) 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, 36002578 + ... + 36015255.

It is an arithmetic number, because the mean of its divisors is an integer number (76122850538).

Almost surely, 2^456521043387 is an apocalyptic number.

456521043387 is a deficient number, since it is larger than the sum of its proper divisors (152461760917).

456521043387 is a wasteful number, since it uses less digits than its factorization.

456521043387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72019949.

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 456521043387 in words is "four hundred fifty-six billion, five hundred twenty-one million, forty-three thousand, three hundred eighty-seven".