105051897397 has 2 divisors, whose sum is σ = 105051897398. Its totient is φ = 105051897396.

The previous prime is 105051897367. The next prime is 105051897439. The reversal of 105051897397 is 793798150501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94646061316 + 10405836081 = 307646^2 + 102009^2 .

It is a cyclic number.

It is not a de Polignac number, because 105051897397 - 2¹⁹ = 105051373109 is a prime.

It is a super-2 number, since 2×105051897397² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105051897337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52525948698 + 52525948699.

It is an arithmetic number, because the mean of its divisors is an integer number (52525948699).

Almost surely, 2^105051897397 is an apocalyptic number.

It is an amenable number.

105051897397 is a deficient number, since it is larger than the sum of its proper divisors (1).

105051897397 is an equidigital number, since it uses as much as digits as its factorization.

105051897397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2381400, while the sum is 55.

The spelling of 105051897397 in words is "one hundred five billion, fifty-one million, eight hundred ninety-seven thousand, three hundred ninety-seven".