51150000619 has 2 divisors, whose sum is σ = 51150000620. Its totient is φ = 51150000618.

The previous prime is 51150000611. The next prime is 51150000647. The reversal of 51150000619 is 91600005115.

It is an a-pointer prime, because the next prime (51150000647) can be obtained adding 51150000619 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51150000619 - 2³ = 51150000611 is a prime.

It is a super-2 number, since 2×51150000619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51150000611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25575000309 + 25575000310.

It is an arithmetic number, because the mean of its divisors is an integer number (25575000310).

Almost surely, 2^51150000619 is an apocalyptic number.

51150000619 is a deficient number, since it is larger than the sum of its proper divisors (1).

51150000619 is an equidigital number, since it uses as much as digits as its factorization.

51150000619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 28.

The spelling of 51150000619 in words is "fifty-one billion, one hundred fifty million, six hundred nineteen", and thus it is an aban number.