1402297469 has 4 divisors (see below), whose sum is σ = 1412386080. Its totient is φ = 1392208860.

The previous prime is 1402297459. The next prime is 1402297487. The reversal of 1402297469 is 9647922041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9647922041 = 6269 ⋅1538989.

It is a cyclic number.

It is not a de Polignac number, because 1402297469 - 2⁴ = 1402297453 is a prime.

It is a super-2 number, since 2×1402297469² = 3932876383127611922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402297459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5044097 + ... + 5044374.

It is an arithmetic number, because the mean of its divisors is an integer number (353096520).

Almost surely, 2^1402297469 is an apocalyptic number.

It is an amenable number.

1402297469 is a deficient number, since it is larger than the sum of its proper divisors (10088611).

1402297469 is a wasteful number, since it uses less digits than its factorization.

1402297469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10088610.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 1402297469 is about 37447.2625034194. The cubic root of 1402297469 is about 1119.3005488741.

The spelling of 1402297469 in words is "one billion, four hundred two million, two hundred ninety-seven thousand, four hundred sixty-nine".