620019751467 has 4 divisors (see below), whose sum is σ = 826693001960. Its totient is φ = 413346500976.

The previous prime is 620019751399. The next prime is 620019751471. The reversal of 620019751467 is 764157910026.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 620019751467 - 2¹² = 620019747371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620019751567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103336625242 + ... + 103336625247.

It is an arithmetic number, because the mean of its divisors is an integer number (206673250490).

Almost surely, 2^620019751467 is an apocalyptic number.

620019751467 is a deficient number, since it is larger than the sum of its proper divisors (206673250493).

620019751467 is a wasteful number, since it uses less digits than its factorization.

620019751467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206673250492.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 620019751467 in words is "six hundred twenty billion, nineteen million, seven hundred fifty-one thousand, four hundred sixty-seven".