1402991017 has 2 divisors, whose sum is σ = 1402991018. Its totient is φ = 1402991016.

The previous prime is 1402990997. The next prime is 1402991039. The reversal of 1402991017 is 7101992041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 848906496 + 554084521 = 29136^2 + 23539^2 .

It is an emirp because it is prime and its reverse (7101992041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1402991017 - 2⁷ = 1402990889 is a prime.

It is not a weakly prime, because it can be changed into another prime (1402991617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701495508 + 701495509.

It is an arithmetic number, because the mean of its divisors is an integer number (701495509).

Almost surely, 2^1402991017 is an apocalyptic number.

It is an amenable number.

1402991017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402991017 is an equidigital number, since it uses as much as digits as its factorization.

1402991017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 1402991017 is about 37456.5216884857. The cubic root of 1402991017 is about 1119.4850462746.

The spelling of 1402991017 in words is "one billion, four hundred two million, nine hundred ninety-one thousand, seventeen".