451680651707 has 2 divisors, whose sum is σ = 451680651708. Its totient is φ = 451680651706.

The previous prime is 451680651689. The next prime is 451680651713. The reversal of 451680651707 is 707156086154.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 451680651707 - 2⁸ = 451680651451 is a prime.

It is a super-2 number, since 2×451680651707² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (451680651787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225840325853 + 225840325854.

It is an arithmetic number, because the mean of its divisors is an integer number (225840325854).

Almost surely, 2^451680651707 is an apocalyptic number.

451680651707 is a deficient number, since it is larger than the sum of its proper divisors (1).

451680651707 is an equidigital number, since it uses as much as digits as its factorization.

451680651707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 451680651707 in words is "four hundred fifty-one billion, six hundred eighty million, six hundred fifty-one thousand, seven hundred seven".