2141551537 has 2 divisors, whose sum is σ = 2141551538. Its totient is φ = 2141551536.

The previous prime is 2141551499. The next prime is 2141551543. The reversal of 2141551537 is 7351551412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2085840241 + 55711296 = 45671^2 + 7464^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141551537 - 2⁷ = 2141551409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2141551837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070775768 + 1070775769.

It is an arithmetic number, because the mean of its divisors is an integer number (1070775769).

Almost surely, 2^2141551537 is an apocalyptic number.

It is an amenable number.

2141551537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141551537 is an equidigital number, since it uses as much as digits as its factorization.

2141551537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21000, while the sum is 34.

The square root of 2141551537 is about 46276.9006848989. The cubic root of 2141551537 is about 1288.9701005972.

The spelling of 2141551537 in words is "two billion, one hundred forty-one million, five hundred fifty-one thousand, five hundred thirty-seven".