1073770861864 has 16 divisors (see below), whose sum is σ = 2023540269300. Its totient is φ = 534160123392.

The previous prime is 1073770861817. The next prime is 1073770861873. The reversal of 1073770861864 is 4681680773701.

It can be written as a sum of positive squares in 2 ways, for example, as 866146648900 + 207624212964 = 930670^2 + 455658^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1073770861799 and 1073770861808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340661769 + ... + 340664920.

Almost surely, 2^{1073770861864} is an apocalyptic number.

It is an amenable number.

1073770861864 is a deficient number, since it is larger than the sum of its proper divisors (949769407436).

1073770861864 is a wasteful number, since it uses less digits than its factorization.

1073770861864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681326892 (or 681326888 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 58.

The spelling of 1073770861864 in words is "one trillion, seventy-three billion, seven hundred seventy million, eight hundred sixty-one thousand, eight hundred sixty-four".