2621139370 has 8 divisors (see below), whose sum is σ = 4718050884. Its totient is φ = 1048455744.

The previous prime is 2621139359. The next prime is 2621139379. The reversal of 2621139370 is 739311262.

It can be written as a sum of positive squares in 2 ways, for example, as 2621132809 + 6561 = 51197^2 + 81^2 .

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 (2621139379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131056959 + ... + 131056978.

Almost surely, 2^2621139370 is an apocalyptic number.

2621139370 is a deficient number, since it is larger than the sum of its proper divisors (2096911514).

2621139370 is a wasteful number, since it uses less digits than its factorization.

2621139370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262113944.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2621139370 is about 51197.0640759800. The cubic root of 2621139370 is about 1378.7854906453.

The spelling of 2621139370 in words is "two billion, six hundred twenty-one million, one hundred thirty-nine thousand, three hundred seventy".