207649392872983 has 16 divisors (see below), whose sum is σ = 221917178878560. Its totient is φ = 193610312902656.

The previous prime is 207649392872947. The next prime is 207649392872993. The reversal of 207649392872983 is 389278293946702.

It is a cyclic number.

It is not a de Polignac number, because 207649392872983 - 2¹³ = 207649392864791 is a prime.

It is a super-2 number, since 2×207649392872983² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207649392872993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2328591 + ... + 20511487.

It is an arithmetic number, because the mean of its divisors is an integer number (13869823679910).

Almost surely, 2^{207649392872983} is an apocalyptic number.

207649392872983 is a deficient number, since it is larger than the sum of its proper divisors (14267786005577).

207649392872983 is a wasteful number, since it uses less digits than its factorization.

207649392872983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18189186.

The product of its (nonzero) digits is 3950456832, while the sum is 79.

The spelling of 207649392872983 in words is "two hundred seven trillion, six hundred forty-nine billion, three hundred ninety-two million, eight hundred seventy-two thousand, nine hundred eighty-three".