2780151933 has 64 divisors (see below), whose sum is σ = 4431877632. Its totient is φ = 1532805120.

The previous prime is 2780151931. The next prime is 2780151937. The reversal of 2780151933 is 3391510872.

It is not a de Polignac number, because 2780151933 - 2¹ = 2780151931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 2780151891 and 2780151900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780151931) 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 63 ways as a sum of consecutive naturals, for example, 5138643 + ... + 5139183.

It is an arithmetic number, because the mean of its divisors is an integer number (69248088).

Almost surely, 2^2780151933 is an apocalyptic number.

2780151933 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2780151933 is a deficient number, since it is larger than the sum of its proper divisors (1651725699).

2780151933 is a wasteful number, since it uses less digits than its factorization.

2780151933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 2780151933 is about 52727.1460729670. The cubic root of 2780151933 is about 1406.1214828053.

The spelling of 2780151933 in words is "two billion, seven hundred eighty million, one hundred fifty-one thousand, nine hundred thirty-three".