5109620378 has 4 divisors (see below), whose sum is σ = 7664430570. Its totient is φ = 2554810188.

The previous prime is 5109620357. The next prime is 5109620393. The reversal of 5109620378 is 8730269015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4815943609 + 293676769 = 69397^2 + 17137^2 .

It is a super-2 number, since 2×5109620378² = 52216440814545725768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277405093 + ... + 1277405096.

Almost surely, 2^5109620378 is an apocalyptic number.

5109620378 is a deficient number, since it is larger than the sum of its proper divisors (2554810192).

5109620378 is a wasteful number, since it uses less digits than its factorization.

5109620378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554810191.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 5109620378 is about 71481.6086696431. The cubic root of 5109620378 is about 1722.3822652460.

The spelling of 5109620378 in words is "five billion, one hundred nine million, six hundred twenty thousand, three hundred seventy-eight".