1401032869 has 2 divisors, whose sum is σ = 1401032870. Its totient is φ = 1401032868.

The previous prime is 1401032851. The next prime is 1401032959. The reversal of 1401032869 is 9682301041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1338828100 + 62204769 = 36590^2 + 7887^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401032869 - 2¹⁵ = 1401000101 is a prime.

It is a super-2 number, since 2×1401032869² = 3925786200036742322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401036869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700516434 + 700516435.

It is an arithmetic number, because the mean of its divisors is an integer number (700516435).

Almost surely, 2^1401032869 is an apocalyptic number.

It is an amenable number.

1401032869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401032869 is an equidigital number, since it uses as much as digits as its factorization.

1401032869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1401032869 is about 37430.3736155545. The cubic root of 1401032869 is about 1118.9639837703.

The spelling of 1401032869 in words is "one billion, four hundred one million, thirty-two thousand, eight hundred sixty-nine".