456530426421 has 4 divisors (see below), whose sum is σ = 608707235232. Its totient is φ = 304353617612.

The previous prime is 456530426351. The next prime is 456530426437. The reversal of 456530426421 is 124624035654.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 456530426421 - 2¹⁹ = 456529902133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456530426461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76088404401 + ... + 76088404406.

It is an arithmetic number, because the mean of its divisors is an integer number (152176808808).

Almost surely, 2^456530426421 is an apocalyptic number.

It is an amenable number.

456530426421 is a deficient number, since it is larger than the sum of its proper divisors (152176808811).

456530426421 is a wasteful number, since it uses less digits than its factorization.

456530426421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152176808810.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 456530426421 in words is "four hundred fifty-six billion, five hundred thirty million, four hundred twenty-six thousand, four hundred twenty-one".