1400453399 has 2 divisors, whose sum is σ = 1400453400. Its totient is φ = 1400453398.

The previous prime is 1400453347. The next prime is 1400453437. The reversal of 1400453399 is 9933540041.

It is an a-pointer prime, because the next prime (1400453437) can be obtained adding 1400453399 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400453399 is a prime.

It is a super-2 number, since 2×1400453399² = 3922539445541306402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400453339) 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, 700226699 + 700226700.

It is an arithmetic number, because the mean of its divisors is an integer number (700226700).

Almost surely, 2^1400453399 is an apocalyptic number.

1400453399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400453399 is an equidigital number, since it uses as much as digits as its factorization.

1400453399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 1400453399 is about 37422.6321762647. The cubic root of 1400453399 is about 1118.8096939154.

The spelling of 1400453399 in words is "one billion, four hundred million, four hundred fifty-three thousand, three hundred ninety-nine".