1420202449 has 2 divisors, whose sum is σ = 1420202450. Its totient is φ = 1420202448.

The previous prime is 1420202437. The next prime is 1420202461. The reversal of 1420202449 is 9442020241.

It is a balanced prime because it is at equal distance from previous prime (1420202437) and next prime (1420202461).

It can be written as a sum of positive squares in only one way, i.e., 1206311824 + 213890625 = 34732^2 + 14625^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420202449 - 2¹⁷ = 1420071377 is a prime.

It is a super-2 number, since 2×1420202449² = 4033949992291195202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1420202249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710101224 + 710101225.

It is an arithmetic number, because the mean of its divisors is an integer number (710101225).

Almost surely, 2^1420202449 is an apocalyptic number.

It is an amenable number.

1420202449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420202449 is an equidigital number, since it uses as much as digits as its factorization.

1420202449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1420202449 is about 37685.5734864152. The cubic root of 1420202449 is about 1124.0442777629.

The spelling of 1420202449 in words is "one billion, four hundred twenty million, two hundred two thousand, four hundred forty-nine".