2860138493 has 2 divisors, whose sum is σ = 2860138494. Its totient is φ = 2860138492.

The previous prime is 2860138487. The next prime is 2860138553. The reversal of 2860138493 is 3948310682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2185282009 + 674856484 = 46747^2 + 25978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2860138493 is a prime.

It is a super-2 number, since 2×2860138493² = 16360784398280622098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2860138453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1430069246 + 1430069247.

It is an arithmetic number, because the mean of its divisors is an integer number (1430069247).

Almost surely, 2^2860138493 is an apocalyptic number.

It is an amenable number.

2860138493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2860138493 is an equidigital number, since it uses as much as digits as its factorization.

2860138493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 2860138493 is about 53480.2626489437. The cubic root of 2860138493 is about 1419.4791604700.

The spelling of 2860138493 in words is "two billion, eight hundred sixty million, one hundred thirty-eight thousand, four hundred ninety-three".