105450037949 has 2 divisors, whose sum is σ = 105450037950. Its totient is φ = 105450037948.

The previous prime is 105450037939. The next prime is 105450038009. The reversal of 105450037949 is 949730054501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83963755225 + 21486282724 = 289765^2 + 146582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105450037949 is a prime.

It is a super-2 number, since 2×105450037949² (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 (105450037939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52725018974 + 52725018975.

It is an arithmetic number, because the mean of its divisors is an integer number (52725018975).

Almost surely, 2^105450037949 is an apocalyptic number.

It is an amenable number.

105450037949 is a deficient number, since it is larger than the sum of its proper divisors (1).

105450037949 is an equidigital number, since it uses as much as digits as its factorization.

105450037949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 105450037949 in words is "one hundred five billion, four hundred fifty million, thirty-seven thousand, nine hundred forty-nine".