1040100049 has 2 divisors, whose sum is σ = 1040100050. Its totient is φ = 1040100048.

The previous prime is 1040100011. The next prime is 1040100053. The reversal of 1040100049 is 9400010401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 803155600 + 236944449 = 28340^2 + 15393^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040100049 - 2¹¹ = 1040098001 is a prime.

It is a super-2 number, since 2×1040100049² = 2163616223859604802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1040099999 and 1040100035.

It is not a weakly prime, because it can be changed into another prime (1040100349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520050024 + 520050025.

It is an arithmetic number, because the mean of its divisors is an integer number (520050025).

Almost surely, 2^1040100049 is an apocalyptic number.

It is an amenable number.

1040100049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040100049 is an equidigital number, since it uses as much as digits as its factorization.

1040100049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1040100049 is about 32250.5821497845. The cubic root of 1040100049 is about 1013.1918917480.

The spelling of 1040100049 in words is "one billion, forty million, one hundred thousand, forty-nine".