651271402627 has 2 divisors, whose sum is σ = 651271402628. Its totient is φ = 651271402626.

The previous prime is 651271402603. The next prime is 651271402633. The reversal of 651271402627 is 726204172156.

651271402627 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-651271402627 is a prime.

It is a super-3 number, since 3×651271402627³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (651271402927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325635701313 + 325635701314.

It is an arithmetic number, because the mean of its divisors is an integer number (325635701314).

Almost surely, 2^651271402627 is an apocalyptic number.

651271402627 is a deficient number, since it is larger than the sum of its proper divisors (1).

651271402627 is an equidigital number, since it uses as much as digits as its factorization.

651271402627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 651271402627 in words is "six hundred fifty-one billion, two hundred seventy-one million, four hundred two thousand, six hundred twenty-seven".