1402357334639 has 2 divisors, whose sum is σ = 1402357334640. Its totient is φ = 1402357334638.

The previous prime is 1402357334633. The next prime is 1402357334647. The reversal of 1402357334639 is 9364337532041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1402357334639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402357334633) 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, 701178667319 + 701178667320.

It is an arithmetic number, because the mean of its divisors is an integer number (701178667320).

Almost surely, 2^{1402357334639} is an apocalyptic number.

1402357334639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402357334639 is an equidigital number, since it uses as much as digits as its factorization.

1402357334639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 50.

The spelling of 1402357334639 in words is "one trillion, four hundred two billion, three hundred fifty-seven million, three hundred thirty-four thousand, six hundred thirty-nine".