1630940856254 has 8 divisors (see below), whose sum is σ = 2498462588448. Its totient is φ = 798119993440.

The previous prime is 1630940856239. The next prime is 1630940856257. The reversal of 1630940856254 is 4526580490361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1630940856196 and 1630940856205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630940856257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8675217227 + ... + 8675217414.

It is an arithmetic number, because the mean of its divisors is an integer number (312307823556).

Almost surely, 2^{1630940856254} is an apocalyptic number.

1630940856254 is a deficient number, since it is larger than the sum of its proper divisors (867521732194).

1630940856254 is a wasteful number, since it uses less digits than its factorization.

1630940856254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17350434690.

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 1630940856254 in words is "one trillion, six hundred thirty billion, nine hundred forty million, eight hundred fifty-six thousand, two hundred fifty-four".