619896901 has 12 divisors (see below), whose sum is σ = 686867808. Its totient is φ = 558898704.

The previous prime is 619896889. The next prime is 619896911. The reversal of 619896901 is 109698916.

It is not a de Polignac number, because 619896901 - 2⁷ = 619896773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (619896911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35385 + ... + 49918.

It is an arithmetic number, because the mean of its divisors is an integer number (57238984).

Almost surely, 2^619896901 is an apocalyptic number.

It is an amenable number.

619896901 is a deficient number, since it is larger than the sum of its proper divisors (66970907).

619896901 is a wasteful number, since it uses less digits than its factorization.

619896901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85372 (or 85359 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 49.

The square root of 619896901 is about 24897.7288321646. The cubic root of 619896901 is about 852.6546308086.

The spelling of 619896901 in words is "six hundred nineteen million, eight hundred ninety-six thousand, nine hundred one".