390981460033 has 2 divisors, whose sum is σ = 390981460034. Its totient is φ = 390981460032.

The previous prime is 390981459983. The next prime is 390981460049. The reversal of 390981460033 is 330064189093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307189737009 + 83791723024 = 554247^2 + 289468^2 .

It is a cyclic number.

It is not a de Polignac number, because 390981460033 - 2¹⁷ = 390981328961 is a prime.

It is a super-2 number, since 2×390981460033² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (390981461033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195490730016 + 195490730017.

It is an arithmetic number, because the mean of its divisors is an integer number (195490730017).

Almost surely, 2^390981460033 is an apocalyptic number.

It is an amenable number.

390981460033 is a deficient number, since it is larger than the sum of its proper divisors (1).

390981460033 is an equidigital number, since it uses as much as digits as its factorization.

390981460033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 390981460033 in words is "three hundred ninety billion, nine hundred eighty-one million, four hundred sixty thousand, thirty-three".