2630378751 has 48 divisors (see below), whose sum is σ = 4793056128. Its totient is φ = 1261310400.

The previous prime is 2630378749. The next prime is 2630378761. The reversal of 2630378751 is 1578730362.

It is not a de Polignac number, because 2630378751 - 2¹ = 2630378749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2630378731) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41545 + ... + 83586.

It is an arithmetic number, because the mean of its divisors is an integer number (99855336).

Almost surely, 2^2630378751 is an apocalyptic number.

2630378751 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2630378751 is a deficient number, since it is larger than the sum of its proper divisors (2162677377).

2630378751 is a wasteful number, since it uses less digits than its factorization.

2630378751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125172 (or 125165 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 2630378751 is about 51287.2182029792. The cubic root of 2630378751 is about 1380.4036400657.

The spelling of 2630378751 in words is "two billion, six hundred thirty million, three hundred seventy-eight thousand, seven hundred fifty-one".