5021959378 has 8 divisors (see below), whose sum is σ = 7537490172. Its totient is φ = 2509462656.

The previous prime is 5021959373. The next prime is 5021959387. The reversal of 5021959378 is 8739591205.

It can be written as a sum of positive squares in 2 ways, for example, as 4593179529 + 428779849 = 67773^2 + 20707^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5021959373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754375 + ... + 761002.

Almost surely, 2^5021959378 is an apocalyptic number.

5021959378 is a deficient number, since it is larger than the sum of its proper divisors (2515530794).

5021959378 is a wasteful number, since it uses less digits than its factorization.

5021959378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517036.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 5021959378 is about 70865.7842544623. The cubic root of 5021959378 is about 1712.4756246943.

The spelling of 5021959378 in words is "five billion, twenty-one million, nine hundred fifty-nine thousand, three hundred seventy-eight".