670381899265 has 32 divisors (see below), whose sum is σ = 877287438720. Its totient is φ = 488825570304.

The previous prime is 670381899241. The next prime is 670381899269. The reversal of 670381899265 is 562998183076.

It is a cyclic number.

It is not a de Polignac number, because 670381899265 - 2¹³ = 670381891073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670381899197 and 670381899206.

It is not an unprimeable number, because it can be changed into a prime (670381899269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1978201 + ... + 2292169.

It is an arithmetic number, because the mean of its divisors is an integer number (27415232460).

Almost surely, 2^670381899265 is an apocalyptic number.

670381899265 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

670381899265 is a deficient number, since it is larger than the sum of its proper divisors (206905539455).

670381899265 is a wasteful number, since it uses less digits than its factorization.

670381899265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314401.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 670381899265 in words is "six hundred seventy billion, three hundred eighty-one million, eight hundred ninety-nine thousand, two hundred sixty-five".