101819064859 has 2 divisors, whose sum is σ = 101819064860. Its totient is φ = 101819064858.

The previous prime is 101819064839. The next prime is 101819064871. The reversal of 101819064859 is 958460918101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101819064859 - 2⁷ = 101819064731 is a prime.

It is a super-2 number, since 2×101819064859² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101819064839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50909532429 + 50909532430.

It is an arithmetic number, because the mean of its divisors is an integer number (50909532430).

Almost surely, 2^101819064859 is an apocalyptic number.

101819064859 is a deficient number, since it is larger than the sum of its proper divisors (1).

101819064859 is an equidigital number, since it uses as much as digits as its factorization.

101819064859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 52.

The spelling of 101819064859 in words is "one hundred one billion, eight hundred nineteen million, sixty-four thousand, eight hundred fifty-nine".