1860006961 has 2 divisors, whose sum is σ = 1860006962. Its totient is φ = 1860006960.

The previous prime is 1860006949. The next prime is 1860006971. The reversal of 1860006961 is 1696000681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1409251600 + 450755361 = 37540^2 + 21231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1860006961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1860006961.

It is not a weakly prime, because it can be changed into another prime (1860006971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 930003480 + 930003481.

It is an arithmetic number, because the mean of its divisors is an integer number (930003481).

Almost surely, 2^1860006961 is an apocalyptic number.

It is an amenable number.

1860006961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1860006961 is an equidigital number, since it uses as much as digits as its factorization.

1860006961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1860006961 is about 43127.7980077815. The cubic root of 1860006961 is about 1229.8104806378.

The spelling of 1860006961 in words is "one billion, eight hundred sixty million, six thousand, nine hundred sixty-one".