1949752417 has 8 divisors (see below), whose sum is σ = 2001774600. Its totient is φ = 1897943040.

The previous prime is 1949752403. The next prime is 1949752439. The reversal of 1949752417 is 7142579491.

It can be written as a sum of positive squares in 4 ways, for example, as 93779856 + 1855972561 = 9684^2 + 43081^2 .

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 1949752417 - 2¹⁵ = 1949719649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1949722417) 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, 34548 + ... + 71365.

It is an arithmetic number, because the mean of its divisors is an integer number (250221825).

Almost surely, 2^1949752417 is an apocalyptic number.

It is an amenable number.

1949752417 is a deficient number, since it is larger than the sum of its proper divisors (52022183).

1949752417 is a wasteful number, since it uses less digits than its factorization.

1949752417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106403.

The product of its digits is 635040, while the sum is 49.

The square root of 1949752417 is about 44156.0009172026. Note that the first 3 decimals coincide. The cubic root of 1949752417 is about 1249.2801011027.

The spelling of 1949752417 in words is "one billion, nine hundred forty-nine million, seven hundred fifty-two thousand, four hundred seventeen".