1400332679 has 2 divisors, whose sum is σ = 1400332680. Its totient is φ = 1400332678.

The previous prime is 1400332649. The next prime is 1400332691. The reversal of 1400332679 is 9762330041.

It is a strong prime.

It is an emirp because it is prime and its reverse (9762330041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1400332679 - 2²⁸ = 1131897223 is a prime.

It is a super-2 number, since 2×1400332679² = 3921863223750634082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400332649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700166339 + 700166340.

It is an arithmetic number, because the mean of its divisors is an integer number (700166340).

Almost surely, 2^1400332679 is an apocalyptic number.

1400332679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400332679 is an equidigital number, since it uses as much as digits as its factorization.

1400332679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 1400332679 is about 37421.0192138055. The cubic root of 1400332679 is about 1118.7775456156. Note that the first 3 decimals are identical.

The spelling of 1400332679 in words is "one billion, four hundred million, three hundred thirty-two thousand, six hundred seventy-nine".