2125501949 has 8 divisors (see below), whose sum is σ = 2195101440. Its totient is φ = 2055967200.

The previous prime is 2125501909. The next prime is 2125501999. The reversal of 2125501949 is 9491055212.

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

It is a cyclic number.

It is not a de Polignac number, because 2125501949 - 2¹⁶ = 2125436413 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 (2125501909) 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, 55682 + ... + 85740.

It is an arithmetic number, because the mean of its divisors is an integer number (274387680).

Almost surely, 2^2125501949 is an apocalyptic number.

It is an amenable number.

2125501949 is a deficient number, since it is larger than the sum of its proper divisors (69599491).

2125501949 is a wasteful number, since it uses less digits than its factorization.

2125501949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32371.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 2125501949 is about 46103.1663663137. The cubic root of 2125501949 is about 1285.7420149851.

The spelling of 2125501949 in words is "two billion, one hundred twenty-five million, five hundred one thousand, nine hundred forty-nine".