1896078101 has 2 divisors, whose sum is σ = 1896078102. Its totient is φ = 1896078100.

The previous prime is 1896078073. The next prime is 1896078137. The reversal of 1896078101 is 1018706981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1538679076 + 357399025 = 39226^2 + 18905^2 .

It is an emirp because it is prime and its reverse (1018706981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1896078101 - 2²² = 1891883797 is a prime.

It is a super-2 number, since 2×1896078101² = 7190224330183532402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1896074101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 948039050 + 948039051.

It is an arithmetic number, because the mean of its divisors is an integer number (948039051).

Almost surely, 2^1896078101 is an apocalyptic number.

It is an amenable number.

1896078101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1896078101 is an equidigital number, since it uses as much as digits as its factorization.

1896078101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 41.

The square root of 1896078101 is about 43543.9789293537. The cubic root of 1896078101 is about 1237.7095467484.

The spelling of 1896078101 in words is "one billion, eight hundred ninety-six million, seventy-eight thousand, one hundred one".