2890418613961 has 2 divisors, whose sum is σ = 2890418613962. Its totient is φ = 2890418613960.

The previous prime is 2890418613913. The next prime is 2890418613997. The reversal of 2890418613961 is 1693168140982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2853734490000 + 36684123961 = 1689300^2 + 191531^2 .

It is a cyclic number.

It is not a de Polignac number, because 2890418613961 - 2³¹ = 2888271130313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2890418613896 and 2890418613905.

It is not a weakly prime, because it can be changed into another prime (2890418613361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445209306980 + 1445209306981.

It is an arithmetic number, because the mean of its divisors is an integer number (1445209306981).

Almost surely, 2^{2890418613961} is an apocalyptic number.

It is an amenable number.

2890418613961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2890418613961 is an equidigital number, since it uses as much as digits as its factorization.

2890418613961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 2890418613961 in words is "two trillion, eight hundred ninety billion, four hundred eighteen million, six hundred thirteen thousand, nine hundred sixty-one".