651049863307 has 2 divisors, whose sum is σ = 651049863308. Its totient is φ = 651049863306.

The previous prime is 651049863293. The next prime is 651049863329. The reversal of 651049863307 is 703368940156.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 651049863307 - 2¹⁹ = 651049339019 is a prime.

It is a super-4 number, since 4×651049863307⁴ (a number of 48 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (651049863337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325524931653 + 325524931654.

It is an arithmetic number, because the mean of its divisors is an integer number (325524931654).

Almost surely, 2^651049863307 is an apocalyptic number.

651049863307 is a deficient number, since it is larger than the sum of its proper divisors (1).

651049863307 is an equidigital number, since it uses as much as digits as its factorization.

651049863307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 651049863307 in words is "six hundred fifty-one billion, forty-nine million, eight hundred sixty-three thousand, three hundred seven".