1430040679 has 2 divisors, whose sum is σ = 1430040680. Its totient is φ = 1430040678.

The previous prime is 1430040673. The next prime is 1430040743. The reversal of 1430040679 is 9760400341.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1430040679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1430040673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715020339 + 715020340.

It is an arithmetic number, because the mean of its divisors is an integer number (715020340).

Almost surely, 2^1430040679 is an apocalyptic number.

1430040679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430040679 is an equidigital number, since it uses as much as digits as its factorization.

1430040679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1430040679 is about 37815.8786622762. The cubic root of 1430040679 is about 1126.6338541946.

The spelling of 1430040679 in words is "one billion, four hundred thirty million, forty thousand, six hundred seventy-nine".