2149420637 has 32 divisors (see below), whose sum is σ = 2743507200. Its totient is φ = 1637895168.

The previous prime is 2149420627. The next prime is 2149420673. The reversal of 2149420637 is 7360249412.

It is not a de Polignac number, because 2149420637 - 2¹⁴ = 2149404253 is a prime.

It is a super-2 number, since 2×2149420637² = 9240018149522971538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2149420637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149420627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1442789 + ... + 1444277.

It is an arithmetic number, because the mean of its divisors is an integer number (85734600).

Almost surely, 2^2149420637 is an apocalyptic number.

It is an amenable number.

2149420637 is a deficient number, since it is larger than the sum of its proper divisors (594086563).

2149420637 is a wasteful number, since it uses less digits than its factorization.

2149420637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 2149420637 is about 46361.8446246480. The cubic root of 2149420637 is about 1290.5469381166.

The spelling of 2149420637 in words is "two billion, one hundred forty-nine million, four hundred twenty thousand, six hundred thirty-seven".