5312121802619 has 2 divisors, whose sum is σ = 5312121802620. Its totient is φ = 5312121802618.

The previous prime is 5312121802609. The next prime is 5312121802643. The reversal of 5312121802619 is 9162081212135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5312121802619 - 2³² = 5307826835323 is a prime.

It is a super-2 number, since 2×5312121802619² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5312121802609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2656060901309 + 2656060901310.

It is an arithmetic number, because the mean of its divisors is an integer number (2656060901310).

Almost surely, 2^{5312121802619} is an apocalyptic number.

5312121802619 is a deficient number, since it is larger than the sum of its proper divisors (1).

5312121802619 is an equidigital number, since it uses as much as digits as its factorization.

5312121802619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 5312121802619 in words is "five trillion, three hundred twelve billion, one hundred twenty-one million, eight hundred two thousand, six hundred nineteen".