1400992643 has 2 divisors, whose sum is σ = 1400992644. Its totient is φ = 1400992642.

The previous prime is 1400992609. The next prime is 1400992667. The reversal of 1400992643 is 3462990041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1400992643 - 2⁸ = 1400992387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1400992597 and 1400992606.

It is not a weakly prime, because it can be changed into another prime (1400992603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700496321 + 700496322.

It is an arithmetic number, because the mean of its divisors is an integer number (700496322).

Almost surely, 2^1400992643 is an apocalyptic number.

1400992643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400992643 is an equidigital number, since it uses as much as digits as its factorization.

1400992643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 1400992643 is about 37429.8362673416. The cubic root of 1400992643 is about 1118.9532745578.

The spelling of 1400992643 in words is "one billion, four hundred million, nine hundred ninety-two thousand, six hundred forty-three".