670738145431263 has 256 divisors, whose sum is σ = 1192583420313600. Its totient is φ = 325498831257600.

The previous prime is 670738145431229. The next prime is 670738145431271. The reversal of 670738145431263 is 362134541837076.

It is not a de Polignac number, because 670738145431263 - 2¹⁰ = 670738145430239 is a prime.

It is a super-2 number, since 2×670738145431263² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 670738145431197 and 670738145431206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670738145431163) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 71060292498 + ... + 71060301936.

It is an arithmetic number, because the mean of its divisors is an integer number (4658528985600).

Almost surely, 2^{670738145431263} is an apocalyptic number.

670738145431263 is a deficient number, since it is larger than the sum of its proper divisors (521845274882337).

670738145431263 is a wasteful number, since it uses less digits than its factorization.

670738145431263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12422.

The product of its (nonzero) digits is 60963840, while the sum is 60.

The spelling of 670738145431263 in words is "six hundred seventy trillion, seven hundred thirty-eight billion, one hundred forty-five million, four hundred thirty-one thousand, two hundred sixty-three".