620425025654 has 8 divisors (see below), whose sum is σ = 1063585758288. Its totient is φ = 265896439560.

The previous prime is 620425025641. The next prime is 620425025683. The reversal of 620425025654 is 456520524026.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22158036617 + ... + 22158036644.

It is an arithmetic number, because the mean of its divisors is an integer number (132948219786).

Almost surely, 2^620425025654 is an apocalyptic number.

620425025654 is a deficient number, since it is larger than the sum of its proper divisors (443160732634).

620425025654 is a wasteful number, since it uses less digits than its factorization.

620425025654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44316073270.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 620425025654 in words is "six hundred twenty billion, four hundred twenty-five million, twenty-five thousand, six hundred fifty-four".