456662467021 has 2 divisors, whose sum is σ = 456662467022. Its totient is φ = 456662467020.

The previous prime is 456662466989. The next prime is 456662467057. The reversal of 456662467021 is 120764266654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 368435646121 + 88226820900 = 606989^2 + 297030^2 .

It is a cyclic number.

It is not a de Polignac number, because 456662467021 - 2⁵ = 456662466989 is a prime.

It is a super-2 number, since 2×456662467021² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456662467721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228331233510 + 228331233511.

It is an arithmetic number, because the mean of its divisors is an integer number (228331233511).

Almost surely, 2^456662467021 is an apocalyptic number.

It is an amenable number.

456662467021 is a deficient number, since it is larger than the sum of its proper divisors (1).

456662467021 is an equidigital number, since it uses as much as digits as its factorization.

456662467021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 456662467021 in words is "four hundred fifty-six billion, six hundred sixty-two million, four hundred sixty-seven thousand, twenty-one".