2151593667380 has 12 divisors (see below), whose sum is σ = 4518346701540. Its totient is φ = 860637466944.

The previous prime is 2151593667371. The next prime is 2151593667389. The reversal of 2151593667380 is 837663951512.

It is an interprime number because it is at equal distance from previous prime (2151593667371) and next prime (2151593667389).

It can be written as a sum of positive squares in 2 ways, for example, as 396058766224 + 1755534901156 = 629332^2 + 1324966^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151593667389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53789841665 + ... + 53789841704.

It is an arithmetic number, because the mean of its divisors is an integer number (376528891795).

Almost surely, 2^{2151593667380} is an apocalyptic number.

2151593667380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2151593667380 is an abundant number, since it is smaller than the sum of its proper divisors (2366753034160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2151593667380 is a wasteful number, since it uses less digits than its factorization.

2151593667380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107579683378 (or 107579683376 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 2151593667380 in words is "two trillion, one hundred fifty-one billion, five hundred ninety-three million, six hundred sixty-seven thousand, three hundred eighty".