51420170203426 has 32 divisors (see below), whose sum is σ = 81405152720640. Its totient is φ = 24311285661696.

The previous prime is 51420170203387. The next prime is 51420170203459. The reversal of 51420170203426 is 62430207102415.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2538271 + ... + 10453858.

It is an arithmetic number, because the mean of its divisors is an integer number (2543911022520).

Almost surely, 2^{51420170203426} is an apocalyptic number.

51420170203426 is a deficient number, since it is larger than the sum of its proper divisors (29984982517214).

51420170203426 is a wasteful number, since it uses less digits than its factorization.

51420170203426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12993138.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 51420170203426 in words is "fifty-one trillion, four hundred twenty billion, one hundred seventy million, two hundred three thousand, four hundred twenty-six".