1406266049 has 2 divisors, whose sum is σ = 1406266050. Its totient is φ = 1406266048.

The previous prime is 1406266033. The next prime is 1406266063. The reversal of 1406266049 is 9406626041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1371961600 + 34304449 = 37040^2 + 5857^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406266049 - 2⁴ = 1406266033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1406266249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703133024 + 703133025.

It is an arithmetic number, because the mean of its divisors is an integer number (703133025).

Almost surely, 2^1406266049 is an apocalyptic number.

It is an amenable number.

1406266049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406266049 is an equidigital number, since it uses as much as digits as its factorization.

1406266049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1406266049 is about 37500.2139860561. The cubic root of 1406266049 is about 1120.3554486714.

The spelling of 1406266049 in words is "one billion, four hundred six million, two hundred sixty-six thousand, forty-nine".