4921925109 has 8 divisors (see below), whose sum is σ = 6565047360. Its totient is φ = 3280043136.

The previous prime is 4921925101. The next prime is 4921925159. The reversal of 4921925109 is 9015291294.

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

It is not a de Polignac number, because 4921925109 - 2³ = 4921925101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4921925101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300769 + ... + 316710.

It is an arithmetic number, because the mean of its divisors is an integer number (820630920).

Almost surely, 2^4921925109 is an apocalyptic number.

It is an amenable number.

4921925109 is a deficient number, since it is larger than the sum of its proper divisors (1643122251).

4921925109 is a wasteful number, since it uses less digits than its factorization.

4921925109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620139.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 4921925109 is about 70156.4331262643. The cubic root of 4921925109 is about 1701.0288016037.

The spelling of 4921925109 in words is "four billion, nine hundred twenty-one million, nine hundred twenty-five thousand, one hundred nine".