2231542499 has 2 divisors, whose sum is σ = 2231542500. Its totient is φ = 2231542498.

The previous prime is 2231542487. The next prime is 2231542507. The reversal of 2231542499 is 9942451322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231542499 is a prime.

It is a super-3 number, since 3×2231542499³ (a number of 29 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2231502499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115771249 + 1115771250.

It is an arithmetic number, because the mean of its divisors is an integer number (1115771250).

Almost surely, 2^2231542499 is an apocalyptic number.

2231542499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231542499 is an equidigital number, since it uses as much as digits as its factorization.

2231542499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The square root of 2231542499 is about 47239.2051055053. The cubic root of 2231542499 is about 1306.7777182518. Note that the first 4 decimals are identical.

The spelling of 2231542499 in words is "two billion, two hundred thirty-one million, five hundred forty-two thousand, four hundred ninety-nine".