5219451490 has 16 divisors (see below), whose sum is σ = 10249104960. Its totient is φ = 1897982320.

The previous prime is 5219451467. The next prime is 5219451491. The reversal of 5219451490 is 941549125.

It is not an unprimeable number, because it can be changed into a prime (5219451491) 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, 23724670 + ... + 23724889.

It is an arithmetic number, because the mean of its divisors is an integer number (640569060).

Almost surely, 2^5219451490 is an apocalyptic number.

5219451490 is a deficient number, since it is larger than the sum of its proper divisors (5029653470).

5219451490 is a wasteful number, since it uses less digits than its factorization.

5219451490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47449577.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 5219451490 is about 72245.7714333510. The cubic root of 5219451490 is about 1734.6357331423.

It can be divided in two parts, 52194 and 51490, that added together give a square (103684 = 322²).

The spelling of 5219451490 in words is "five billion, two hundred nineteen million, four hundred fifty-one thousand, four hundred ninety".