456354640551 has 4 divisors (see below), whose sum is σ = 608472854072. Its totient is φ = 304236427032.

The previous prime is 456354640543. The next prime is 456354640571. The reversal of 456354640551 is 155046453654.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 456354640551 - 2³ = 456354640543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 456354640551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456354640571) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 76059106756 + ... + 76059106761.

It is an arithmetic number, because the mean of its divisors is an integer number (152118213518).

Almost surely, 2^456354640551 is an apocalyptic number.

456354640551 is a deficient number, since it is larger than the sum of its proper divisors (152118213521).

456354640551 is a wasteful number, since it uses less digits than its factorization.

456354640551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152118213520.

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 456354640551 in words is "four hundred fifty-six billion, three hundred fifty-four million, six hundred forty thousand, five hundred fifty-one".