1402881593 has 2 divisors, whose sum is σ = 1402881594. Its totient is φ = 1402881592.

The previous prime is 1402881589. The next prime is 1402881607. The reversal of 1402881593 is 3951882041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1399358464 + 3523129 = 37408^2 + 1877^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402881593 - 2² = 1402881589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1402881593.

It is not a weakly prime, because it can be changed into another prime (1402881563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701440796 + 701440797.

It is an arithmetic number, because the mean of its divisors is an integer number (701440797).

Almost surely, 2^1402881593 is an apocalyptic number.

It is an amenable number.

1402881593 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402881593 is an equidigital number, since it uses as much as digits as its factorization.

1402881593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 1402881593 is about 37455.0609797928. The cubic root of 1402881593 is about 1119.4559413801.

The spelling of 1402881593 in words is "one billion, four hundred two million, eight hundred eighty-one thousand, five hundred ninety-three".