1402490269 has 2 divisors, whose sum is σ = 1402490270. Its totient is φ = 1402490268.

The previous prime is 1402490261. The next prime is 1402490273. The reversal of 1402490269 is 9620942041.

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., 1170324100 + 232166169 = 34210^2 + 15237^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402490269 - 2³ = 1402490261 is a prime.

It is a super-2 number, since 2×1402490269² = 3933957909279384722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402490261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701245134 + 701245135.

It is an arithmetic number, because the mean of its divisors is an integer number (701245135).

Almost surely, 2^1402490269 is an apocalyptic number.

It is an amenable number.

1402490269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402490269 is an equidigital number, since it uses as much as digits as its factorization.

1402490269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1402490269 is about 37449.8367019137. The cubic root of 1402490269 is about 1119.3518435676.

The spelling of 1402490269 in words is "one billion, four hundred two million, four hundred ninety thousand, two hundred sixty-nine".