290996038987 has 2 divisors, whose sum is σ = 290996038988. Its totient is φ = 290996038986.

The previous prime is 290996038951. The next prime is 290996039051. The reversal of 290996038987 is 789830699092.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-290996038987 is a prime.

It is a super-2 number, since 2×290996038987² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (290996038687) 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, 145498019493 + 145498019494.

It is an arithmetic number, because the mean of its divisors is an integer number (145498019494).

Almost surely, 2^290996038987 is an apocalyptic number.

290996038987 is a deficient number, since it is larger than the sum of its proper divisors (1).

290996038987 is an equidigital number, since it uses as much as digits as its factorization.

290996038987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105815808, while the sum is 70.

The spelling of 290996038987 in words is "two hundred ninety billion, nine hundred ninety-six million, thirty-eight thousand, nine hundred eighty-seven".