4950721545 has 192 divisors, whose sum is σ = 10581000192. Its totient is φ = 1918080000.

The previous prime is 4950721543. The next prime is 4950721553. The reversal of 4950721545 is 5451270594.

It is not a de Polignac number, because 4950721545 - 2¹ = 4950721543 is a prime.

It is a super-2 number, since 2×4950721545² = 49019287632254374050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4950721497 and 4950721506.

It is not an unprimeable number, because it can be changed into a prime (4950721543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 49016995 + ... + 49017095.

It is an arithmetic number, because the mean of its divisors is an integer number (55109376).

Almost surely, 2^4950721545 is an apocalyptic number.

It is an amenable number.

4950721545 is an abundant number, since it is smaller than the sum of its proper divisors (5630278647).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4950721545 is a wasteful number, since it uses less digits than its factorization.

4950721545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The square root of 4950721545 is about 70361.3640075290. The cubic root of 4950721545 is about 1704.3397247857.

The spelling of 4950721545 in words is "four billion, nine hundred fifty million, seven hundred twenty-one thousand, five hundred forty-five".